Perhaps you should try some spelling variations:
rand » brand, band, sand
grand » gbrand, gband, gsand, brand, grayd, trand, gramd
graw » grow, raw, draw
grawt » growt, rawt, drawt, graft, grawe
grant » grants, grayt, trant, gramt
gband » band
gsand » sand
grain » brain, rain
hand » had, band, hard
ranks » banks
bond » bonds
gran » gray, tran, gram

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 graw) OR ((((grant OR grawt) OR ((grand OR gband) OR gsand)) OR grain) OR (igdrawd OR iron))) OR hand) OR ranks) OR san) OR land) OR bond) OR (frank OR (gran OR iran))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((rand or graw) or ((((grant or grawt) or ((grand OR gband) or gsand)) or grain) or (igdrawd or iron))) or hand) or ranks) or san) or land) or bond) or (frank or (gran or iran))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((((((rand or graw) or ((((grant or grawt) or ((grand OR gband) or gsand)) or grain) or (igdrawd or iron))) or hand) or ranks) or san) or land) or bond) or (frank or (gran or iran))) counterinsurgency study ;*.