Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, brand, irand, grayd, trand
grandtd » gbrandtd, gsandtd, granktd, brandtd, irandtd, graydtd, trandtd
band » bank, bond
grant » grants, irant, grayt, trant
grawe » grade, grace, grave, growe, rawe, drawe
gran » iran, gray, tran
graw » grow, raw, draw
braint » brain, brains, brant, bsaint, brainy, bbraint, bmaint, bgaint
raint » saint, rainy, rains, braint, maint, gaint
rain » brain, main, gain
grain » gbrain, gmain, ggain, brain

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 (band or bonds)) or (((((grand or grant) or grandtd) or grawe) or (gran or graw)) or ((braint or (raint OR rain)) or grain))) 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 (band OR bonds)) OR (((((grand OR grant) OR grandtd) OR grawe) OR (gran OR graw)) OR ((braint OR (raint OR rain)) OR grain))) 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 (band or bonds)) or (((((grand or grant) or grandtd) or grawe) or (gran or graw)) or ((braint or (raint OR rain)) or grain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or (hand or hard)) or (had or land)) or (band or bonds)) or (((((grand or grant) or grandtd) or grawe) or (gran or graw)) or ((braint or (raint OR rain)) or grain))) counterinsurgency study ;*.