Perhaps you should try some spelling variations:
grand » grant, brand, grantd, irand, trand
band » bank
rawd » raw, rand, raad
granttd » granted, grantttd, iranttd, tranttd
grantdtd » granted, granttdtd, irantdtd, trantdtd
grade » trade
gran » grant, iran, tran
gray » ray
graw » grow, raw, draw
grain » brain, rain
raint » rain, saint, rainy

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: ((((grand OR hard) OR (had OR land)) OR (band OR (bond OR bonds))) OR ((((((grand OR grand) OR rawd) OR (granttd OR grantdtd)) OR grade) OR (((gran OR gray) OR graw) OR grain)) OR raint)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((grand or hard) or (had or land)) or (band or (bond or bonds))) or ((((((grand or grand) or rawd) or (granttd or grantdtd)) or grade) or (((gran OR gray) or graw) or grain)) or raint)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((grand or hard) or (had or land)) or (band or (bond or bonds))) or ((((((grand or grand) or rawd) or (granttd or grantdtd)) or grade) or (((gran OR gray) or graw) or grain)) or raint)) counterinsurgency study ;*.