Perhaps you should try some spelling variations:
rand » brand, hand, rank
grand » gbrand, ghand, grank, brand, irand, trand, gramd
sand » stand, san, hand
band » bank, bond
rayd » ray, rays, raya
gramd » gram, grad, grama
grant » grants, irant, trant, gramt
grain » brain, rain
grains » brains, rains, gtrains, gdrains, ggains
growe » grower, garowe, grow
graw » grow, raw, draw
gran » iran, tran, gram
gray » ray
rains » trains, drains, gains

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 sand) or hard) or (had or land)) or (band or bonds)) or (((((((rayd or (grand or gramd)) or grant) or grain) or rayttd) or (growe or graw)) or (gran or gray)) or (rains OR grains))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR sand) OR hard) OR (had OR land)) OR (band OR bonds)) OR (((((((rayd OR (grand OR gramd)) OR grant) OR grain) OR rayttd) OR (growe OR graw)) OR (gran OR gray)) OR (rains OR grains))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or sand) or hard) or (had or land)) or (band or bonds)) or (((((((rayd or (grand or gramd)) or grant) or grain) or rayttd) or (growe or graw)) or (gran or gray)) or (rains OR grains))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or sand) or hard) or (had or land)) or (band or bonds)) or (((((((rayd or (grand or gramd)) or grant) or grain) or rayttd) or (growe or graw)) or (gran or gray)) or (rains OR grains))) counterinsurgency study ;*.