Is there a way to track the indexing status?
To know if a file is indexed look at the contentHints.indexableText property by using the get method from Google Drive REST API.
Is there a way to force a specific folder on Drive to be indexed with priority?
AFAIK Google Drive doesn't include any way for end users to force a specific folder to be indexed ...
There is no way to search for strings from old revisions of your Google Drive Documents, even if these old revisions are still accessible.
Search results concern only the current version of your files and not the older versions.
Except that be aware that Google Drive may delete your older revisions after 30 days if you exceed the 100 versions per document ...
While Google does index the contents of Google Docs to make them searchable, they do not index partial search terms. I suspect this would require a lot more resources on their part.
It looks like you searched for an incomplete term and expected a match with the complete term. Including "fail" as part of your search won't match when the term in your ...
No, Google's I'm feeling lucky works exclusively on their web search as it just forces the user to go the No.1 ranked hyperlink. The content in your Google Drive is not ranked in this manner thus an I'm feeling lucky button can't/won't work. The closest thing you have is something similar to Google Instant where a search term entered into your Google drive ...
It seems Drive URL query parameters doesn't support such searching now(It was probably removed in 2009). The only way you can search by those parameters now is probably by google-apps-script or DRIVE REST API.
Official search parameters support only to:email parameter. So,If you know the email address,You can easily filter out the files.
The official help article about search on Google Drive doesn't describe how to search for files shared by usingn a link.
For consumer accounts (usually accounts from gmail.com) the alternative is to use a script, an addon or a third-party app. If you have a G Suite account, on the advanced search options, on location you could select the option "Visible to ...
Cross-posted to SO
Today, 2018-1-11, Google launched the Apps Script Dashboard. It list all the script project files, standalone and bounded.
3 new tools to help improve your Apps Script development and management experience
Related questions on SO:
Can't find Google Apps Script project in docs list in Google Drive, Android or desktop
I think you should select all of the folders and files in your drive, press share, and press the "Get Sharable link" button. Set to "Anyone with the link can view," and anybody with the link will be able to search through your drive and view documents even without a google account.
It can't be done using the Google Drive search feature but it can be scripted using the Google Sheets API.
First you need to retrieve the list of spreadsheets that you have access to. Next, you loop over those worksheet IDs and perform a search within the rows, looking for the "$1000" value or anything else you want to find. If there is a matching row then ...
Add the following to your searches in Google Drive to exclude photos and other images:
The reference include the "cheat sheet" of Google Drive search operators. It appears in the the section "More search options > Advanced search in Drive".
Search for your files - Google Drive Help