Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, grantd, graind, irand, grant, brand
grantk » grants, grant, granttk, graintk, irantk
gsand » sand
grade » trade
gran » grant, grain, iran
draw » draws, raw
bgain » brain, again, bain, bgains
bmain » brain, bain, smain
gain » gains

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR (band OR bank)) OR (had OR land)) OR (bond OR bonds)) OR (((((grantk OR gsand) OR gbandtd) OR grade) OR ((gran OR grand) OR draw)) OR (((bgain OR bmain) OR gain) OR main))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or (band or bank)) or (had or land)) or (bond or bonds)) or (((((grantk or gsand) or gbandtd) or grade) or ((gran OR grand) or draw)) or (((bgain or bmain) or gain) or main))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or (band or bank)) or (had or land)) or (bond or bonds)) or (((((grantk or gsand) or gbandtd) or grade) or ((gran OR grand) or draw)) or (((bgain or bmain) or gain) or main))) counterinsurgency study ;*.