Perhaps you should try some spelling variations:
rand » brand, band
grand » gbrand, gband, grantd, graind, irand, grant, brand
rank » ranks
frank » franks
gffranks » gffrankss
sand » stand, band, san
hand » band, hard
bond » bonds
graind » grained, grain, grains, gbraind, gmaind, ggaind
ggain » gain, grain, again
rain » brain, main, gain
gran » grant, grain, iran

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 (sand OR hand)) OR ((bond OR bank) OR land)) OR (((graind OR (ggain OR rain)) OR (gffranks OR (gran OR grand))) OR ((had OR cham) OR ghana))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or (rank OR frank)) or (sand or hand)) or ((bond or bank) or land)) or (((graind or (ggain or rain)) or (gffranks or (gran or grand))) or ((had or cham) or ghana))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or (rank OR frank)) or (sand or hand)) or ((bond or bank) or land)) or (((graind or (ggain or rain)) or (gffranks or (gran or grand))) or ((had or cham) or ghana))) counterinsurgency study ;*.