Perhaps you should try some spelling variations:
rand » brand
grand » gbrand, grant, brand, grantd, irand, grawd
grande » gbrande, grante, brande, grade, grantde, irande, grawde
grad » grade, grid, graw
grawd » graw, grawe
hand » had, hard
rank » ranks, frank, bank
sand » stand, san
band » bank, bond
irans » iran, trans, frans
gran » grant, iran, graw
grain » brain, gbrain, gmain, ggain
rain » brain, main, gain

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 (((((grad OR grand) or grawd) or grawd) or grande) or grawd)) or hand) or rank) or sand) or land) or band) or (irans or (((gran or grain) or rain) or raw))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((rand OR (((((grad OR grand) OR grawd) OR grawd) OR grande) OR grawd)) OR hand) OR rank) OR sand) OR land) OR band) OR (irans OR (((gran OR grain) OR rain) OR raw))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or (((((grad OR grand) or grawd) or grawd) or grande) or grawd)) or hand) or rank) or sand) or land) or band) or (irans or (((gran or grain) or rain) or raw))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((((rand or (((((grad OR grand) or grawd) or grawd) or grande) or grawd)) or hand) or rank) or sand) or land) or band) or (irans or (((gran or grain) or rain) or raw))) counterinsurgency study ;*.