Perhaps you should try some spelling variations:
rand » brand, sand
grand » gbrand, gsand, grantd, irand, grawd, grant, brand
rank » ranks, frank
granks » grankss, gfranks, ranks, grants, grantks, iranks, grawks
hand » had, hard
band » bond
graind » grained, grains, braind, raind
grain » brain, rain
grawts » grants
gran » grant, iran, graw
grawd » graw, grad
grawe » grade, grace, graw
ghad » ghada, had, chad

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

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