Perhaps you should try some spelling variations:
rand » brand, band, sand
grand » gbrand, gband, gsand, grant, brand, grantd, irand, grawd
rank » ranks, frank, bank
hand » band, hard
grawe » grade, grace, graw
granttd » grantttd, iranttd, grawttd
granted » grantted, iranted, grawted
gran » grant, iran, graw
brains » brain, grains, trains, bbrains, bmains, bgains
rain » brain, main, gain
grain » gbrain, gmain, ggain, brain
ggain » gain, again

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