Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, grant, brand
hand » hard
band » bank
gsand » sand
gbrain » grain, gbmain, gbgain, gbrail
granttd » granted
grace » grade, race
graw » grow, raw, draw
trains » grains, tmains, tgains, trails
braint » brains, brant, bmaint, bgaint, brailt
rain » main, gain, rail
brain » bmain, bgain, brail

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 band)) or (had or land)) or (bond or bonds)) or (((((gsand or gbrain) or granttd) or grace) or (grand or graw)) or ((trains or (braint or bmaint)) or (rain OR brain)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR (hand OR band)) OR (had OR land)) OR (bond OR bonds)) OR (((((gsand OR gbrain) OR granttd) OR grace) OR (grand OR graw)) OR ((trains OR (braint OR bmaint)) OR (rain OR brain)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or (hand or band)) or (had or land)) or (bond or bonds)) or (((((gsand or gbrain) or granttd) or grace) or (grand or graw)) or ((trains or (braint or bmaint)) or (rain OR brain)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or (hand or band)) or (had or land)) or (bond or bonds)) or (((((gsand or gbrain) or granttd) or grace) or (grand or graw)) or ((trains or (braint or bmaint)) or (rain OR brain)))) counterinsurgency study ;*.