Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, brand, graind, irand, grayd
band » bank
grant » grants, graint, irant, grayt
granttd » grantstd, granted, grainttd, iranttd, grayttd
graind » grained, grain, grains, gbraind, ggaind, graild
ggained » gained, grained, regained
grawe » grade, grace, grave, growe, rawe, drawe
graw » grow, raw, draw
gran » grain, iran, gray
trained » tbrained, tgained, trailed
rain » brain, gain, rail

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 hard) or (had or land)) or (band or (bond or bonds))) or ((((((grand or grant) or (graind or (trained or ggained))) or granttd) or (grawe or graw)) or gran) or (rain OR main))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hard) OR (had OR land)) OR (band OR (bond OR bonds))) OR ((((((grand OR grant) OR (graind OR (trained OR ggained))) OR granttd) OR (grawe OR graw)) OR gran) OR (rain OR main))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hard) or (had or land)) or (band or (bond or bonds))) or ((((((grand or grant) or (graind or (trained or ggained))) or granttd) or (grawe or graw)) or gran) or (rain OR main))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (band or (bond or bonds))) or ((((((grand or grant) or (graind or (trained or ggained))) or granttd) or (grawe or graw)) or gran) or (rain OR main))) counterinsurgency study ;*.