Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, graind, irand, grawd, brand
ranks » banks
band » bank
bond » bonds
grantd » granted, grants, grantsd, graintd, irantd, grawtd
grant » grants, graint, irant, grawt
graind » grained, grain, grains
grad » grade, grid, graw
gran » grain, iran, graw
graint » geraint, grain, grains

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