Perhaps you should try some spelling variations:
rand » brand, band, rank
grand » gbrand, gband, grank, grant, brand
hand » band, hard
sand » stand, band, san
graind » grained, grain, grains, gbraind, gmaind, ggaind
grade » trade
graw » grow, raw, draw
bbrains » brains, bargains, bahrains, bbbrains, bbmains, bbgains
brant » brandt, grant, brand
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 hand) or (had or land)) or (bank or bonds)) or (((((sand or graind) or (granttd OR granted)) or grade) or ((grand or sand) or graw)) or ((bbrains or brant) or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hand) OR (had OR land)) OR (bank OR bonds)) OR (((((sand OR graind) OR (granttd OR granted)) OR grade) OR ((grand OR sand) OR graw)) OR ((bbrains OR brant) OR rain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hand) or (had or land)) or (bank or bonds)) or (((((sand or graind) or (granttd OR granted)) or grade) or ((grand or sand) or graw)) or ((bbrains or brant) or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hand) or (had or land)) or (bank or bonds)) or (((((sand or graind) or (granttd OR granted)) or grade) or ((grand or sand) or graw)) or ((bbrains or brant) or rain))) counterinsurgency study ;*.