Perhaps you should try some spelling variations:
sand » stand, band, san
ranks » banks
franks » fbanks, frank, frankks, franzks, iranks
frans » frank, franz, trans, franks, franzs, irans
fran » frank, franz, iran
hand » had, band, hard
grandted » granted, grande, branded, graindted, granddted, irandted
irant » iran, irani, brant
grant » grants, graint, grandt, irant
irand » brand, iran, grand
grawd » grand, graw, grad
igrand » grand, igraind, igrandd, iirand
graind » grained, grain, grains, gmaind, ggaind, graild
gran » grain, grand, iran
rain » main, gain, rail
brain » bmain, bgain, brail

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 ranks) or (franks or (frans or fran))) or hand) or land) or bank) or ((((grandted or (irant or grant)) or ((irand or grawd) or igrand)) or graind) or (gran or (rain or brain)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((sand OR ranks) OR (franks OR (frans OR fran))) OR hand) OR land) OR bank) OR ((((grandted OR (irant OR grant)) OR ((irand OR grawd) OR igrand)) OR graind) OR (gran OR (rain OR brain)))) counterinsurgency study ;.
• Adding a wildcard symbol may retrieve word variants: ((((((sand or ranks) or (franks or (frans or fran))) or hand) or land) or bank) or ((((grandted or (irant or grant)) or ((irand or grawd) or igrand)) or graind) or (gran or (rain or brain)))) counterinsurgency study ;*.