I want to query the new search graph to find all of my friends’ posts which contain some word, say
Vacation in Italy.
How can I do it?
The post search is not yet supported, so for the time being you can’t do this.
What you could do is to try searching for something like
Update: this feature will be implemented in the future, but it’s unknown when will it become available.
Source. (It’s buried towards the end of the post.)