Perhaps you should try some spelling variations:
rand » brand, hand
grand » gbrand, ghand, brand, graind, irand, grayd
irand » ibrand, ihand, brand, iran, irani
grawe » grade, grace, grave, growe, rawe, drawe
graw » grow, raw, draw
grawt » growt, rawt, drawt, graft
rank » ranks, frank, bank
sand » stand, san, hand
band » bank, bond
irans » iran, trans, frans
gran » grain, iran, gray
grant » graint, irant, grayt, grants
irant » iran, irani, trant
brant » brandt, brand, brunt

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 ((((grand or irand) or (grawe or graw)) or grawt) or irand)) or (hard or had)) or rank) or sand) or land) or band) or (irans or (gran or (grant or (irant OR brant))))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((rand OR ((((grand OR irand) OR (grawe OR graw)) OR grawt) OR irand)) OR (hard OR had)) OR rank) OR sand) OR land) OR band) OR (irans OR (gran OR (grant OR (irant OR brant))))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or ((((grand or irand) or (grawe or graw)) or grawt) or irand)) or (hard or had)) or rank) or sand) or land) or band) or (irans or (gran or (grant or (irant OR brant))))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((((rand or ((((grand or irand) or (grawe or graw)) or grawt) or irand)) or (hard or had)) or rank) or sand) or land) or band) or (irans or (gran or (grant or (irant OR brant))))) counterinsurgency study ;*.