Perhaps you should try some spelling variations:
grad » grade, grand, grid
grainse » grains, grainne, grainger, brainse, gbrainse, gmainse, ggainse
graind » grained, grains, grand, braind, gbraind, gmaind, ggaind
grain » brain, gbrain, gmain, ggain
again » gain
brail » brazil, rail, brain
brasil » brazil
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: (((((ggaindt or grad) or hard) or (had or land)) or (bond or bonds)) or ((((((grad or (grainse or graind)) or frank) or (granttddtd or grantddted)) or raw) or (grain or again)) or (((brail OR brasil) or gbmain) or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((ggaindt OR grad) OR hard) OR (had OR land)) OR (bond OR bonds)) OR ((((((grad OR (grainse OR graind)) OR frank) OR (granttddtd OR grantddted)) OR raw) OR (grain OR again)) OR (((brail OR brasil) OR gbmain) OR rain))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((ggaindt or grad) or hard) or (had or land)) or (bond or bonds)) or ((((((grad or (grainse or graind)) or frank) or (granttddtd or grantddted)) or raw) or (grain or again)) or (((brail OR brasil) or gbmain) or rain))) counterinsurgency study ;*".