Perhaps you should try some spelling variations:
rand » brand, hand, sand
grandtd » gbrandtd, ghandtd, gsandtd, granttd, brandtd
grand » gbrand, ghand, gsand, grant, brand
band » bond
gsand » sand
rawe » rate, raw, race
grawe » grate, graw, grace, grade, grave, growe, rawe, drawe
graw » grow, raw, draw
brains » brain, grains, trains, bbrains, bmains, bgains
rain » brain, main, gain

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 band) or hard) or (had or land)) or (bank or bonds)) or (((((gsand or ggaind) or (grandtd OR ghandtd)) or (rawe or (grawe or rawe))) or (grand or graw)) or ((brains or bmaint) or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR band) OR hard) OR (had OR land)) OR (bank OR bonds)) OR (((((gsand OR ggaind) OR (grandtd OR ghandtd)) OR (rawe OR (grawe OR rawe))) OR (grand OR graw)) OR ((brains OR bmaint) OR rain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or band) or hard) or (had or land)) or (bank or bonds)) or (((((gsand or ggaind) or (grandtd OR ghandtd)) or (rawe or (grawe or rawe))) or (grand or graw)) or ((brains or bmaint) or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or band) or hard) or (had or land)) or (bank or bonds)) or (((((gsand or ggaind) or (grandtd OR ghandtd)) or (rawe or (grawe or rawe))) or (grand or graw)) or ((brains or bmaint) or rain))) counterinsurgency study ;*.