Perhaps you should try some spelling variations:
grad » grand, grid, graw
grade » grande, gride, grawe, trade
hand » hard
band » bank, bond
grande » grand, grantde, grainde, grandde
grantddtd » granttddtd, graintddtd, grandtddtd
granted » grantted, grainted, grandted
gran » grant, grain, grand
graindt » gmaindt, ggaindt, graildt
brain » bmain, bgain, brail
rain » main, gain, rail

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((graindt or (grad OR grade)) or hand) or (had or land)) or (band or bonds)) or (((((((grad OR grade) or grande) or frank) or (grantddtd or granted)) or raw) or gran) or ((brain or gbmain) or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((graindt OR (grad OR grade)) OR hand) OR (had OR land)) OR (band OR bonds)) OR (((((((grad OR grade) OR grande) OR frank) OR (grantddtd OR granted)) OR raw) OR gran) OR ((brain OR gbmain) OR rain))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((graindt or (grad OR grade)) or hand) or (had or land)) or (band or bonds)) or (((((((grad OR grade) or grande) or frank) or (grantddtd or granted)) or raw) or gran) or ((brain or gbmain) or rain))) counterinsurgency study ;*".