Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, brand, irand, grawd, trand
rank » ranks, frank, bank
iranktd » irankstd, ifranktd, ibanktd
band » bank
bond » bonds
gsand » sand
ghand » hand, ghana, ghani
grain » brain, rain
gray » ray, graw
gran » iran, graw, tran
grant » irant, grawt, trant, grants

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 rank) OR hard) OR (had OR land)) OR (band OR bond)) OR (((((((grand OR gsand) OR ghand) OR grain) OR iranktd) OR (gray OR grid)) OR gran) OR (geraint OR grant))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or rank) or hard) or (had or land)) or (band or bond)) or (((((((grand OR gsand) or ghand) or grain) or iranktd) or (gray or grid)) or gran) or (geraint or grant))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rand or rank) or hard) or (had or land)) or (band or bond)) or (((((((grand OR gsand) or ghand) or grain) or iranktd) or (gray or grid)) or gran) or (geraint or grant))) counterinsurgency study ;*.