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 » bonds
graw » grow, raw, grew
draw » draws, raw
gran » iran, gray, tran
grant » irant, grayt, trant, grants
graint » geraint, grains, gradient, braint, raint
braint » brain, brains, brant
grain » brain, rain

You may be able to get more results by adjusting your search query.

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