Perhaps you should try some spelling variations:
rand » brand, grand, hand
grandk » gbrandk, ggrandk, ghandk, grand, grande, granddk, irandk, grawdk
rank » frank
ranks » franks, banks
gfrank » gffrank, frank
sand » stand, san, hand
band » bond
graint » geraint, grains, gradient, braint, raint
graints » geraints, grainss, gradients, grants, grains, braints, raints
granted » grantsed, grandted, iranted, grawted
grant » grants, grandt, irant, grawt
gran » grand, iran, graw
graind » grained, grains, grand, braind, raind
grain » brain, rain

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