Perhaps you should try some spelling variations:
nation block » function block, equation block, funktion block
block reward » blocks reward, block howard, block read
nation book » nation tooke, nations cook, nation both
block award » block howard, block awadh, block backward
book award » ebook award, book onward, books awari

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( nation book award ) OR ((( nation block award ) OR ( nation block reward )))).
• Adding a wildcard symbol may retrieve word variants: (( nation book award ) or ((( nation block award ) or ( nation block reward ))))*.