Perhaps you should try some spelling variations:
rank » ranks
frank » franks
hand » hard
band » bond
graind » grained, grains, braind, raind
grain » brain, rain
grantks » grants, grantees, grantors, granttks, irantks, grawtks
gran » grant, iran, graw
grand » grantd, irand, grawd, grant, brand

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((rank or frank) or (stand or hand)) or ((band or bank) or land)) or (((graind OR grain) or (grantks or (gran or (grand or (graind OR grain))))) or ((had or cham) or ghana))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rank OR frank) OR (stand OR hand)) OR ((band OR bank) OR land)) OR (((graind OR grain) OR (grantks OR (gran OR (grand OR (graind OR grain))))) OR ((had OR cham) OR ghana))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rank or frank) or (stand or hand)) or ((band or bank) or land)) or (((graind OR grain) or (grantks or (gran or (grand or (graind OR grain))))) or ((had or cham) or ghana))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rank or frank) or (stand or hand)) or ((band or bank) or land)) or (((graind OR grain) or (grantks or (gran or (grand or (graind OR grain))))) or ((had or cham) or ghana))) counterinsurgency study ;*.