Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, brand, irand, grayd, trand
ranks » banks
grankstd » gbankstd, irankstd, graykstd, trankstd
hand » hard
band » bank, bond
grant » grants, irant, grayt, trant
grawe » grace, grave, growe, rawe, drawe
grade » trade
rawd » raw, raad, raid
graw » grow, raw, draw
gran » iran, gray, tran
graint » geraint, grains, gradient, braint, raint
grain » brain, rain

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 ranks) or hand) or (had or land)) or (band or bonds)) or (((((grand or grant) or grankstd) or (((grawe or grade) or rawd) or graw)) or gran) or (graint OR grain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR ranks) OR hand) OR (had OR land)) OR (band OR bonds)) OR (((((grand OR grant) OR grankstd) OR (((grawe OR grade) OR rawd) OR graw)) OR gran) OR (graint OR grain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or ranks) or hand) or (had or land)) or (band or bonds)) or (((((grand or grant) or grankstd) or (((grawe or grade) or rawd) or graw)) or gran) or (graint OR grain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or ranks) or hand) or (had or land)) or (band or bonds)) or (((((grand or grant) or grankstd) or (((grawe or grade) or rawd) or graw)) or gran) or (graint OR grain))) counterinsurgency study ;*.