Perhaps you should try some spelling variations:
rand » brand, sand
grand » gbrand, gsand, brand, irand, grayd, trand
irand » ibrand, isand, brand, iran, irani
grant » grants, irant, grayt, trant
graw » grow, raw, draw
grad » grade, grid, gray
irant » iran, irani, brant
hand » had, hard
rank » ranks, frank, bank
franks » frankss, ffranks, fbanks, ranks, frank, frans
band » bank, bond
gran » iran, gray, tran
grain » brain, gbrain, gmain, ggain
rain » brain, main, gain

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 (graw OR grad)) OR (irant OR irant)) OR irand)) OR hand) OR (rank OR franks)) OR stand) OR land) OR band) OR (trans OR (gran OR (grain OR rain)))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((rand or ((((grand or grant) or (graw or grad)) or (irant or irant)) or irand)) or hand) or (rank or franks)) or stand) or land) or band) or (trans or (gran or (grain OR rain)))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((((rand or ((((grand or grant) or (graw or grad)) or (irant or irant)) or irand)) or hand) or (rank or franks)) or stand) or land) or band) or (trans or (gran or (grain OR rain)))) counterinsurgency study ;*.