Perhaps you should try some spelling variations:
grant » grants, grandt, irant, grawt
granttd » grantstd, granted, grandttd, iranttd, grawttd
band » bank, bond
gray » graw
grain » brain, rain
grawe » grade, grace, graw
growe » grower, garowe, grow
gran » grand, iran, graw
raint » rain, saint, rains
rainy » 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: ((((grant OR hard) OR (had OR land)) OR (band OR bonds)) OR (((((((gray OR ray) OR irantts) OR grain) OR granttd) OR ((grawe OR growe) OR raw)) OR gran) OR (raint OR rainy))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((grant or hard) or (had or land)) or (band or bonds)) or (((((((gray OR ray) or irantts) or grain) or granttd) or ((grawe or growe) or raw)) or gran) or (raint or rainy))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((grant or hard) or (had or land)) or (band or bonds)) or (((((((gray OR ray) or irantts) or grain) or granttd) or ((grawe or growe) or raw)) or gran) or (raint or rainy))) counterinsurgency study ;*.