Perhaps you should try some spelling variations:
grand » grant, brand
granddk » grantdk, branddk
iggrandd » iggrantd, igbrandd
band » bond
grain » brain, rain
grantd » granted, grants, grant
gain » gains, main
gained » gainsed, mained
graw » raw, draw, grew

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((grand or (band or had)) or (bank or land)) or (((granddk or ((grain or grantd) or gain)) or ((igrowd or iggrandd) or (trained or gained))) or (graw OR grow))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((grand OR (band OR had)) OR (bank OR land)) OR (((granddk OR ((grain OR grantd) OR gain)) OR ((igrowd OR iggrandd) OR (trained OR gained))) OR (graw OR grow))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((grand or (band or had)) or (bank or land)) or (((granddk or ((grain or grantd) or gain)) or ((igrowd or iggrandd) or (trained or gained))) or (graw OR grow))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((grand or (band or had)) or (bank or land)) or (((granddk or ((grain or grantd) or gain)) or ((igrowd or iggrandd) or (trained or gained))) or (graw OR grow))) counterinsurgency study ;*.