Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, brand
irand » ibrand, ihand, isand, brand, iran, irani
grant » grants
grains » gbrains, gmains, ggains, brains
rain » brain, main, gain
grain » gbrain, gmain, ggain, brain
rank » ranks, frank, bank
band » bank
bond » bonds
irans » iran, trans, frans
ggain » gain, again

You may be able to get more results by adjusting your search query.

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