Perhaps you should try some spelling variations:
"nation block backward" » "nation look backward", "nation work backward", "nation book backwards", "function block backward", "equation block backward", "funktion block backward"
"nation block award" » "function block award", "equation block award", "funktion block award", "nation block reward", "nation block awadh", "nation block forward"
"nation block howard" » "function block howard", "equation block howard", "funktion block howard", "nation block forward", "nation block reward", "nation rock howard"
"nation book award" » "nation tooke award", "nations cook award", "nation both award", "nation ebook award", "nation book onward", "nation 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 backward"))) OR ("nation block howard")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nation book award\") or (((((\"nation block award\") OR (\"nation block backward\"))) or (\"nation block howard\"))))".
• Removing quotes may allow a broader search: (( nation book award ) or ((((( nation block award ) OR ( nation block backward ))) or ( nation block howard )))).
• Adding a wildcard symbol may retrieve word variants: (("nation book award") or ((((("nation block award") OR ("nation block backward"))) or ("nation block howard"))))*.