Perhaps you should try some spelling variations:
nation block » function block, equation block, funktion block
block howard » block forward, block reward, rock howard
books awari » books arabic, books astrid, books toward
block award » block reward, block awadh, block backward
book award » ebook award, book onward, book ware

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 ((books awari) OR (book award)) ) OR ((( nation block award ) OR ( nation block howard )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( nation ((books awari) OR (book award)) ) or ((( nation block award ) or ( nation block howard ))))".
• Adding a wildcard symbol may retrieve word variants: (( nation ((books awari) OR (book award)) ) or ((( nation block award ) or ( nation block howard ))))*.