Search PDFs: There’s a search box in the upper right corner of your PDF document.
Search for docs using keywords: If you don’t remember the title of a doc, type in keywords from the document instead.
Advanced search: Find documents by selecting who you’ve shared with, keyword, title, and more.
Search the web: Highlight a word and search the web for matching websites and images.
Search operators: Search operators will help you find starred, hidden and other documents quickly. Example: [is:starred]