Perhaps you should try some spelling variations:
rand » brand, grand, hand
grandtd » gbrandtd, ggrandtd, ghandtd, graindtd, granddtd, irandtd
band » bank, bond
graind » grained, grain, grand
grawe » grade, grace, grave, growe, rawe, drawe
graw » grow, raw, draw
gran » grain, grand, iran
grant » graint, grandt, irant
grants » graints, grandts, irants, migrants
graint » geraint, grain, gradient
grains » grain

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 hard) OR (had OR land)) OR (band OR bonds)) OR ((((graind OR (grandtd OR gsandtd)) OR (grawe OR graw)) OR (gran OR (grant OR grants))) OR (graint OR grains))) 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 bonds)) or ((((graind or (grandtd or gsandtd)) or (grawe or graw)) or (gran or (grant or grants))) or (graint OR grains))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (band or bonds)) or ((((graind or (grandtd or gsandtd)) or (grawe or graw)) or (gran or (grant or grants))) or (graint OR grains))) counterinsurgency study ;*.