Perhaps you should try some spelling variations:
rand » brand, hand
grand » gbrand, ghand, grant, brand, grantd, graind, irand
sand » stand, san, hand
rank » ranks, frank, bank
iranktd » irankstd, ifranktd, ibanktd
band » bank
bond » bonds
graind » grained, grain, grains
grawd » graw, grad, grawe
gran » grant, grain, iran
graint » geraint, grant, grain

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 sand) OR rank) OR hard) OR (had OR land)) OR (band OR bond)) OR (((((grand OR graind) OR iranktd) OR grawd) OR gran) OR graint)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((rand OR sand) or rank) or hard) or (had or land)) or (band or bond)) or (((((grand or graind) or iranktd) or grawd) or gran) or graint)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((((rand OR sand) or rank) or hard) or (had or land)) or (band or bond)) or (((((grand or graind) or iranktd) or grawd) or gran) or graint)) counterinsurgency study ;*.