So yes, if you are searching for PDFs or PPTs on the internet, Google will let you narrow it down.

Below that the form shows options for narrowing results by language, region, last updated, site or domain, terms appearing, SafeSearch and even the format you prefer.Google gives the option of finding webpages with the following parameters: all these words, this exact word or phrase, any of these words, none of these words and numbers ranging from.Click on this and a new webpage will open up with several options for you to add to your query.It should open up a menu and you will see Advanced Search as an option.On the results page, you will see a little gear symbol in the top right corner.Open Google Search and search for any topic.If you are doing an advanced search from your computer, follow these steps.

You will need to add to the front of these URLs when searching on mobile browsers For images, the end part of the URL becomes advanced_image_search, for video it is advanced_video_search and for books it is advanced_book_search. The main URL is to type googledotcom followed /advanced_search. On mobile browsers, keep in mind you have to directly type the url for Advanced Search. Read more | ExpressBasics: 7 Google Search tips that beginners should know

Google images advanced