Perhaps you should try some spelling variations:
rand » brand, grand, hand
grandk » gbrandk, ggrandk, ghandk, grand, grande, graindk, granddk, irandk
ggrandk » ggbrandk, gggrandk, gghandk, ggrand, ggrande, ggraindk, ggranddk, girandk
rank » ranks, frank
gfrank » gfranks, gffrank, frank
sand » stand, san, hand
band » bond
grantd » granted, grand, graintd, grandtd, irantd
grants » migrants, graints, grandts, irants
graints » grains, gradients
grant » graint, grandt, irant
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 grants)) or (graints or graints)) or ((gfrank or (grandk or ggrandk)) 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 grants)) OR (graints OR graints)) OR ((gfrank OR (grandk OR ggrandk)) 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 grants)) or (graints or graints)) or ((gfrank or (grandk or ggrandk)) or (gran or (graind or grained))))) counterinsurgency study ;*".