Perhaps you should try some spelling variations:
sand » stand, band, san
rank » ranks, bank
frank » franks, fbank
franks » frankss, fbanks, ranks, frans
bond » bonds
irantd » irand, iranid, brantd
irant » iran, irani, brant
irand » brand, iran, grand
igrantt » migrants, igrandtt, iirantt, igrawtt, igrantst
graind » grained, grand, braind, raind
gran » grand, iran, graw
grant » grandt, irant, grawt, grants
grains » brains, rains
grain » brain, rain

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((((sand or rank) or (frank or franks)) or had) or land) or bond) or ((((irantd or irant) or (irand or igrantt)) or (graind or grains)) or ((gran OR grant) or grain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((sand OR rank) OR (frank OR franks)) OR had) OR land) OR bond) OR ((((irantd OR irant) OR (irand OR igrantt)) OR (graind OR grains)) OR ((gran OR grant) OR grain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((sand or rank) or (frank or franks)) or had) or land) or bond) or ((((irantd or irant) or (irand or igrantt)) or (graind or grains)) or ((gran OR grant) or grain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((sand or rank) or (frank or franks)) or had) or land) or bond) or ((((irantd or irant) or (irand or igrantt)) or (graind or grains)) or ((gran OR grant) or grain))) counterinsurgency study ;*.