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