Perhaps you should try some spelling variations:
rand » brand, sand
irand » ibrand, isand, brand, iran, irani
grand » gbrand, gsand, grantd, irand, grawd, grant, brand
grantstd » grants, granted, granttstd, irantstd, grawtstd
grains » brains, rains
grain » brain, rain
rank » ranks, bank
frank » franks, fbank
fbanks » banks, flanks
band » bank, bond
gran » grant, iran, graw
irant » grant, iran, irani

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