Perhaps you should try some spelling variations:
grandttd » granted, grantdttd, graindttd, granddttd
graw » grow, raw, draw
grawe » growe, rawe, drawe, grade, grace, grave, grate, graw
rawe » rate, raw, race
gran » grant, grain, grand
ggain » gain, grain, again
rain » brain, main, gain
grains » gbrains, gmains, ggains, grain
drains » dbrains, dmains, dgains, drain, trains
dgains » gains

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: ((((grandttd OR hard) OR (had OR land)) OR (bank OR (bond OR bonds))) OR ((((graw OR irandtd) OR (grawe OR rawe)) OR (gran OR (ggain OR rain))) OR (grains OR (drains OR dgains)))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((grandttd or hard) or (had or land)) or (bank or (bond or bonds))) or ((((graw or irandtd) or (grawe OR rawe)) or (gran or (ggain or rain))) or (grains or (drains or dgains)))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((grandttd or hard) or (had or land)) or (bank or (bond or bonds))) or ((((graw or irandtd) or (grawe OR rawe)) or (gran or (ggain or rain))) or (grains or (drains or dgains)))) counterinsurgency study ;*.