Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, grant, brand
hand » hard
band » bank, bond
gsand » sand
graind » grained, grain, grains, gmaind, ggaind, graild
grawe » grade, grace, grave, growe, rawe, drawe
graw » grow, raw, draw
brains » grains, trains, drains, bmains, bgains, brails
braint » brant, bmaint, bgaint, brailt
rain » main, gain, rail
brain » bmain, bgain, brail

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 hand) or (had or land)) or (band or bonds)) or (((((gsand or graind) or (granttd or granted)) or grawe) or (grand or graw)) or ((brains or braint) or (rain OR brain)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hand) OR (had OR land)) OR (band OR bonds)) OR (((((gsand OR graind) OR (granttd OR granted)) OR grawe) OR (grand OR graw)) OR ((brains OR braint) OR (rain OR brain)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hand) or (had or land)) or (band or bonds)) or (((((gsand or graind) or (granttd or granted)) or grawe) or (grand or graw)) or ((brains or braint) or (rain OR brain)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or (band or bonds)) or (((((gsand or graind) or (granttd or granted)) or grawe) or (grand or graw)) or ((brains or braint) or (rain OR brain)))) counterinsurgency study ;*.