Perhaps you should try some spelling variations:
sand » stand, san
ranks » banks
fbanks » banks, flanks
hand » had, hard
band » bank, bond
iranis » irani, iraqis, irans
irant » iran, irani, brant
grant » grants, grandt, irant, grawt
igrantd » igrantsd, migrants, igrandtd, iirantd, igrawtd
granttd » grantstd, granted, grandttd, iranttd, grawttd
irand » brand, iran, grand
grawd » grand, graw, grad
gran » grand, iran, graw
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 ranks) or (frank or fbanks)) or hand) or land) or band) or ((((iranis or (irant OR grant)) or (irand or igrantd)) or (grawd or granttd)) or (gran or grain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((sand OR ranks) OR (frank OR fbanks)) OR hand) OR land) OR band) OR ((((iranis OR (irant OR grant)) OR (irand OR igrantd)) OR (grawd OR granttd)) OR (gran OR grain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((sand or ranks) or (frank or fbanks)) or hand) or land) or band) or ((((iranis or (irant OR grant)) or (irand or igrantd)) or (grawd or granttd)) or (gran or grain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((sand or ranks) or (frank or fbanks)) or hand) or land) or band) or ((((iranis or (irant OR grant)) or (irand or igrantd)) or (grawd or granttd)) or (gran or grain))) counterinsurgency study ;*.