Perhaps you should try some spelling variations:
rand » brand, band, sand
grand » gbrand, gband, gsand, grant, brand, grantd, irand, grawd
ranks » banks
hand » band, hard
grawe » grade, grace, graw
granted » grantted, iranted, grawted
gran » grant, iran, graw
brains » brain, trains, drains, bbrains, bmains, bgains
grains » gbrains, gmains, ggains, brains
rain » brain, main, gain
grain » gbrain, gmain, ggain, brain

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 ranks) or hand) or (had or land)) or (bond or bonds)) or ((((grand or (iranttd or granted)) or grawe) or (gran or raw)) or (((grains OR brains) or rain) or grain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR ranks) OR hand) OR (had OR land)) OR (bond OR bonds)) OR ((((grand OR (iranttd OR granted)) OR grawe) OR (gran OR raw)) OR (((grains OR brains) OR rain) OR grain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or ranks) or hand) or (had or land)) or (bond or bonds)) or ((((grand or (iranttd or granted)) or grawe) or (gran or raw)) or (((grains OR brains) or rain) or grain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or ranks) or hand) or (had or land)) or (bond or bonds)) or ((((grand or (iranttd or granted)) or grawe) or (gran or raw)) or (((grains OR brains) or rain) or grain))) counterinsurgency study ;*.