Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, grant, brand, grantd, irand, grawd
band » bank
bond » bonds
grawd » graw, grad
grained » gained, trained, strained, brained, gbrained, gmained, ggained
grawe » grade, grace, graw
gran » grant, iran, graw
gray » ray, graw
grain » brain, gbrain, gmain, ggain
rain » brain, main, gain

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 (hand OR hard)) OR (had OR land)) OR (band OR bond)) OR ((((((grand OR grawd) OR grained) OR irantdtd) OR grawe) OR (gran OR gray)) OR (grain OR rain))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or (hand or hard)) or (had or land)) or (band or bond)) or ((((((grand OR grawd) or grained) or irantdtd) or grawe) or (gran or gray)) or (grain or rain))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or (hand or hard)) or (had or land)) or (band or bond)) or ((((((grand OR grawd) or grained) or irantdtd) or grawe) or (gran or gray)) or (grain or rain))) counterinsurgency study ;*.