Perhaps you should try some spelling variations:
irant » grant, iran, brant
irani » iran, iraqi, rani
granttd » granted, grantttd, grainttd, grandttd
grains » grain, gmains, ggains, grails
brain » bmain, bgain, brail
rain » main, gain, rail
igrantd » migrants, igranttd, igraintd, igrandtd
trank » track, frank, trans
banks » bank
sand » stand, san, hand
band » bank, bond
fran » frank, iran, fan
franz » frankz, iranz, fanz, frank
gran » grant, grain, grand
grants » grantts, graints, grandts, migrants

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((((((irant OR irani) or ((granttd or (grains or (brain or rain))) or igrantd)) or had) or (trank or banks)) or sand) or land) or band) or ((fran or franz) or (gran or grants))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((((irant OR irani) OR ((granttd OR (grains OR (brain OR rain))) OR igrantd)) OR had) OR (trank OR banks)) OR sand) OR land) OR band) OR ((fran OR franz) OR (gran OR grants))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((irant OR irani) or ((granttd or (grains or (brain or rain))) or igrantd)) or had) or (trank or banks)) or sand) or land) or band) or ((fran or franz) or (gran or grants))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((((irant OR irani) or ((granttd or (grains or (brain or rain))) or igrantd)) or had) or (trank or banks)) or sand) or land) or band) or ((fran or franz) or (gran or grants))) counterinsurgency study ;*.