From the Oliver search screen, select "Search other sources" from the drop-down menu on the right.
Select to include Google books and Google custom search, and enter your search term.
Your search results appear in expandable groups.
Image courtesy Daniel M. Russell. SearchReSearch. http://searchresearch1.blogspot.sg/2012/08/internet-search-what-makes-it-simple.html
1. Use Google advanced search.
2. Use keywords for searching, not sentences and omit unimportant words.
3. Add more keywords as you develop your search. Build up to 3-6 keywords. Nouns are best. Correct spelling is important.
5. Use phrases too when appropriate.