Perhaps you should try some spelling variations:
rand » brand, band, sand
grand » gbrand, gband, gsand, brand
hand » band
bond » bonds
graw » grow, draw
grew » grow
grant » grants
grain » brain, rain
graint » braint, raint, geraint, gradient
grains » brains, rains, gtrains, gdrains, ggains
gtrains » trains, strains, gttrains, gtdrains, gtgains
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 hand) or hard) or (had or land)) or (bank or bond)) or ((((grand or gsandtd) or ((graw or grew) or raw)) or (grant or grain)) or (graint or ((grains OR gtrains) or rains)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR hand) OR hard) OR (had OR land)) OR (bank OR bond)) OR ((((grand OR gsandtd) OR ((graw OR grew) OR raw)) OR (grant OR grain)) OR (graint OR ((grains OR gtrains) OR rains)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or hand) or hard) or (had or land)) or (bank or bond)) or ((((grand or gsandtd) or ((graw or grew) or raw)) or (grant or grain)) or (graint or ((grains OR gtrains) or rains)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or hand) or hard) or (had or land)) or (bank or bond)) or ((((grand or gsandtd) or ((graw or grew) or raw)) or (grant or grain)) or (graint or ((grains OR gtrains) or rains)))) counterinsurgency study ;*.