Perhaps you should try some spelling variations:
rand » brand, band, sand
grand » gbrand, gband, gsand, brand, irand, grawd, grayd
irand » ibrand, iband, isand, brand, iran, irani
hand » band, hard
grayd » gray, grad
gran » iran, graw, gray
grant » irant, grawt, grayt, grants
graind » grained, grains, braind, raind
grain » brain, rain
grawt » graw, graft, grawe

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