Perhaps you should try some spelling variations:
rand » brand, hand, sand
grandtd » gbrandtd, ghandtd, gsandtd, brandtd
grand » gbrand, ghand, gsand, brand
band » bank
grant » grants
granttd » grantstd, granted
grantstd » grantsstd, grants, granted
grank » frank, rank, gran
graw » raw, draw, grew
grain » brain, gbrain, ggain, grail
rain » brain, gain, rail

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 band) OR (had OR land)) OR (bond OR bonds)) OR (((((grant OR grank) OR (grandtd OR (granttd OR grantstd))) OR grow) OR (graw OR grand)) OR (grain OR (rain OR main)))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or band) or (had or land)) or (bond or bonds)) or (((((grant or grank) or (grandtd or (granttd OR grantstd))) or grow) or (graw or grand)) or (grain or (rain or main)))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or band) or (had or land)) or (bond or bonds)) or (((((grant or grank) or (grandtd or (granttd OR grantstd))) or grow) or (graw or grand)) or (grain or (rain or main)))) counterinsurgency study ;*.