Perhaps you should try some spelling variations:
rand » brand, band, hand
grand » gbrand, gband, ghand, brand, irand, trand, gramd
grant » grants, irant, trant, gramt
irant » iran, brant, trant
rayd » ray, rays, raya
gran » iran, tran, gram
gray » ray
irans » iran, trans, frans
graind » grained, grains, braind, raind
grain » brain, rain
gain » gains, main
irani » iran, iraqi, rani, iranti, iranil
ani » anti, anil
graw » grow, raw, draw

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 (hard or had)) or (bank or land)) or (((((grand or (grant OR irant)) or rayd) or (gran or gray)) or (irans or (graind or (grain or gain)))) or ((irant or (irani or ani)) or graw))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((rand OR (hard OR had)) OR (bank OR land)) OR (((((grand OR (grant OR irant)) OR rayd) OR (gran OR gray)) OR (irans OR (graind OR (grain OR gain)))) OR ((irant OR (irani OR ani)) OR graw))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((rand or (hard or had)) or (bank or land)) or (((((grand or (grant OR irant)) or rayd) or (gran or gray)) or (irans or (graind or (grain or gain)))) or ((irant or (irani or ani)) or graw))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((rand or (hard or had)) or (bank or land)) or (((((grand or (grant OR irant)) or rayd) or (gran or gray)) or (irans or (graind or (grain or gain)))) or ((irant or (irani or ani)) or graw))) counterinsurgency study ;*.