Perhaps you should try some spelling variations:
rand » brand, grand, hand
grandk » gbrandk, ggrandk, ghandk, grand, grande, graindk, granddk, irandk
irandk » ibrandk, igrandk, ihandk
ggrandk » ggbrandk, gggrandk, gghandk, ggrand, ggrande, ggraindk, ggranddk, girandk
ggrande » ggbrande, gggrande, gghande, grande, ggrainde, ggrandde, girande
rank » ranks
gfrank » gfranks
frank » franks
sand » stand, san, hand
band » bond
grantd » granted, grants, grand, grantsd, graintd, grandtd, irantd
grant » grants, graint, grandt, irant
graints » grants, grains, gradients
gran » grain, grand, iran
graind » grain, grains, grand
grained » gained, trained, strained

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 banks)) or sand) or ((band or bank) or land)) or (((grantd or grant) or (graints or graints)) or (((gfrank OR frank) or ((grandk or irandk) or (ggrandk or ggrande))) or (gran or (graind or grained))))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR (rank OR banks)) OR sand) OR ((band OR bank) OR land)) OR (((grantd OR grant) OR (graints OR graints)) OR (((gfrank OR frank) OR ((grandk OR irandk) OR (ggrandk OR ggrande))) OR (gran OR (graind OR grained))))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or (rank or banks)) or sand) or ((band or bank) or land)) or (((grantd or grant) or (graints or graints)) or (((gfrank OR frank) or ((grandk or irandk) or (ggrandk or ggrande))) or (gran or (graind or grained))))) counterinsurgency study ;*".