Google Search Tips & Tricks: https://libguides.hkust.edu.hk/googletips
Excerpts below, do some hands on practice!
Put quotation marks around words "[Searching keywords]" to search for an exact phrase in an exact order.
To see the differences, try searching "Assistive technologies" with/without the quotation marks around.
Try it yourself
Search
Try to search websites containing all of the specified words in the title tag.
by adding allintitle: with words or phrases.
For example: allintitle:"digital nomad"
Try to search for specific types of documents, such as PDF, PPT, by adding filetype: with the file extensions.