Perhaps you should try some spelling variations:
rand » brand, band, rank
grand » gbrand, gband, grank, grant, brand
sand » stand, band, san
gsand » gstand, gband, gsan
hand » band, hard
grain » brain, gbrain, gmain, ggain
grawe » grade, grace, grave, growe, rawe, drawe
graw » grow, raw, draw
trains » grains, tbrains, tmains, tgains
braint » brain, brains, brant, bbraint, bmaint, bgaint
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 sand) or hand) or (had or land)) or (bond or bonds)) or (((((gsand or grain) or (granttd OR granted)) or grawe) or (grand or graw)) or ((trains or braint) or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR sand) OR hand) OR (had OR land)) OR (bond OR bonds)) OR (((((gsand OR grain) OR (granttd OR granted)) OR grawe) OR (grand OR graw)) OR ((trains OR braint) OR rain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or sand) or hand) or (had or land)) or (bond or bonds)) or (((((gsand or grain) or (granttd OR granted)) or grawe) or (grand or graw)) or ((trains or braint) or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or sand) or hand) or (had or land)) or (bond or bonds)) or (((((gsand or grain) or (granttd OR granted)) or grawe) or (grand or graw)) or ((trains or braint) or rain))) counterinsurgency study ;*.