Perhaps you should try some spelling variations:
rand » brand, band, hand
grand » gbrand, gband, ghand, brand, irand, grawd, trand
grandtd » gbrandtd, gbandtd, ghandtd, brandtd, irandtd, grawdtd, trandtd
bond » bonds
gband » band
grave » gravel
grace » race
grade » trade
gran » iran, graw, tran
grant » irant, grawt, trant, grants
gray » ray, graw
grain » brain, rain
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: ((((rand OR hard) OR (had OR land)) OR (bank OR bond)) OR (((((grand OR gband) OR grandtd) OR ((grave OR grace) OR grade)) OR ((gran OR gray) OR grain)) OR (grant OR (raint OR rainy)))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hard) or (had or land)) or (bank or bond)) or (((((grand OR gband) or grandtd) or ((grave or grace) or grade)) or ((gran or gray) or grain)) or (grant or (raint or rainy)))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (bank or bond)) or (((((grand OR gband) or grandtd) or ((grave or grace) or grade)) or ((gran or gray) or grain)) or (grant or (raint or rainy)))) counterinsurgency study ;*.