Perhaps you should try some spelling variations:
sand » stand, san
rank » frank, bank
ranks » franks, banks
franks » ffranks, fbanks, frank
fbank » bank, frank
frans » frank, franz, trans
hand » had, hard
band » bank, bond
irani » iran, iraqi, rani
irand » brand, iran, grand
igraind » ingrained, ibraind, igbraind, igmaind, iggaind
grain » brain, gbrain, gmain, ggain
gmain » main, gain, smain
granted » grantted, grandted, iranted
gran » grant, grand, iran
gbraind » gbbraind, gbmaind, gbgaind
rain » brain, main, gain
bmain » main, brain, bain

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: ((((((sand OR (rank OR (ranks OR franks))) OR (fbank OR frans)) OR hand) OR land) OR band) OR ((((granted OR irani) OR (irand OR igraind)) OR (gbraind OR (grain OR gmain))) OR (gran OR (rain OR bmain)))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((sand or (rank or (ranks OR franks))) or (fbank or frans)) or hand) or land) or band) or ((((granted or irani) or (irand or igraind)) or (gbraind or (grain or gmain))) or (gran or (rain or bmain)))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((((sand or (rank or (ranks OR franks))) or (fbank or frans)) or hand) or land) or band) or ((((granted or irani) or (irand or igraind)) or (gbraind or (grain or gmain))) or (gran or (rain or bmain)))) counterinsurgency study ;*.