Perhaps you should try some spelling variations:
rand » brand, band, sand
granddk » gbranddk, gbanddk, gsanddk, grantddk, iranddk, grayddk, grantdk, branddk
grand » gbrand, gband, gsand, grantd, irand, grayd, grant, brand
irand » ibrand, iband, isand, brand, iran, irani
hand » band, hard
gran » grant, iran, gray
granted » grantted, iranted, grayted
grain » brain, rain
draw » draws, raw
igrawd » igrowd, irawd, igrewd
graw » grow, raw, grew

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

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