Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, grant, brand, grantd, graind, irand
rank » ranks, frank, bank
iranktd » irankstd, ifranktd, ibanktd
band » bank
bond » bonds
gsand » sand
ghani » ghana
graind » grained, grain, grains
grad » grade, grid, graw
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 rank) OR hard) OR (had OR land)) OR (band OR bond)) OR ((((((gsand OR ghani) OR graind) OR iranktd) OR (grad OR grand)) OR gran) OR graint)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or rank) or hard) or (had or land)) or (band or bond)) or ((((((gsand or ghani) or graind) or iranktd) or (grad OR grand)) or gran) or graint)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand or rank) or hard) or (had or land)) or (band or bond)) or ((((((gsand or ghani) or graind) or iranktd) or (grad OR grand)) or gran) or graint)) counterinsurgency study ;*.