Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, grant, brand, grantd, graind, irand
irand » ibrand, ihand, isand, brand, iran, irani
grains » grain, gbrains, gmains, ggains
gmain » main, gain, grain
rank » ranks, frank, bank
fbanks » banks, flanks
band » bank, bond
ggrantdttd » ggranttdttd, ggraintdttd, girantdttd
gran » grant, grain, iran
rain » brain, main, gain

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 ((ggrantdttd or (grains or gmain)) or (grand OR irand))) or had) or (rank or fbanks)) or (san or stand)) or land) or band) or (trans or (gran or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((rand OR ((ggrantdttd OR (grains OR gmain)) OR (grand OR irand))) OR had) OR (rank OR fbanks)) OR (san OR stand)) OR land) OR band) OR (trans OR (gran OR rain))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or ((ggrantdttd or (grains or gmain)) or (grand OR irand))) or had) or (rank or fbanks)) or (san or stand)) or land) or band) or (trans or (gran or rain))) counterinsurgency study ;*".