Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, brand, irand, grawd, grayd
grandtd » gbrandtd, gsandtd, granktd, brandtd, irandtd, grawdtd, graydtd
band » bank
bond » bonds
draw » draws
gran » iran, graw, gray
grant » irant, grawt, grayt, grants
graint » geraint, grains, gradient, braint, raint
grayt » gray, graft
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 (draw OR raw)) OR gran) OR ((graint OR (grant OR grayt)) 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 (draw OR raw)) or gran) or ((graint or (grant or grayt)) 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 (draw OR raw)) or gran) or ((graint or (grant or grayt)) or grain))) counterinsurgency study ;*.