Perhaps you should try some spelling variations:
band » bank
grained » gained, trained, strained
granttd » granted
grace » grade, race
grand » grant, brand
graw » grow, raw, draw
bmains » brains, mains
mail » main
gain » gains, main
gbrain » brain, grain

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((frank or band) or hard) or (had or land)) or (bond or bonds)) or (((((grained or gmaind) or granttd) or grace) or (grand or graw)) or ((bmains or ((rail OR mail) or gain)) or gbrain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((frank OR band) OR hard) OR (had OR land)) OR (bond OR bonds)) OR (((((grained OR gmaind) OR granttd) OR grace) OR (grand OR graw)) OR ((bmains OR ((rail OR mail) OR gain)) OR gbrain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((frank or band) or hard) or (had or land)) or (bond or bonds)) or (((((grained or gmaind) or granttd) or grace) or (grand or graw)) or ((bmains or ((rail OR mail) or gain)) or gbrain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((frank or band) or hard) or (had or land)) or (bond or bonds)) or (((((grained or gmaind) or granttd) or grace) or (grand or graw)) or ((bmains or ((rail OR mail) or gain)) or gbrain))) counterinsurgency study ;*.