Perhaps you should try some spelling variations:
rand » brand, band, hand
grandk » gbrandk, gbandk, ghandk, grande, irandk, grawdk, graydk, brandk
irand » ibrand, iband, ihand, brand, iran, irans
grand » gbrand, gband, ghand, irand, grawd, grayd, brand
grantte » granite, grantee, grantees, irantte, grawtte, graytte, grantste
gran » iran, graw, gray
grant » irant, grawt, grayt, grants
grain » brain, rain
irani » iran, iraqi, rani
irant » iran, brant, irans

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 (((((grandk OR ghandk) or grantte) or (gran or grain)) or ((irand or irani) or (irand or (grand or grant)))) or (irant or irant))) 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 (((((grandk OR ghandk) OR grantte) OR (gran OR grain)) OR ((irand OR irani) OR (irand OR (grand OR grant)))) OR (irant OR irant))) 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 (((((grandk OR ghandk) or grantte) or (gran or grain)) or ((irand or irani) or (irand or (grand or grant)))) or (irant or irant))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((rand or (hard or had)) or (bank or land)) or (((((grandk OR ghandk) or grantte) or (gran or grain)) or ((irand or irani) or (irand or (grand or grant)))) or (irant or irant))) counterinsurgency study ;*.