Perhaps you should try some spelling variations:
sand » stand, san, hand
rank » ranks, bank
frank » franks, fbank
franks » frankss, fbanks, ranks, frans
band » bank, bond
grantd » granted, grants, grant, granttd, graintd, irantd
irant » grant, iran, irani
irand » brand, iran, rand
graind » grain, grains, gbraind, gmaind, ggaind
grained » gained, trained, strained, gbrained, gmained, ggained
gbrained » obtained, gained, trained, gbbrained, gbmained, gbgained
igrand » igrantd, igraind, iirand, igrant, ibrand
gran » grant, grain, iran
grand » grantd, graind, irand, grant, brand
rain » brain, main, gain

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 (hard or had)) or land) or band) or ((((grantd or irant) or (irand or igrand)) or (graind or (grained or gbrained))) or ((gran or grand) or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((sand OR rank) OR (frank OR franks)) OR (hard OR had)) OR land) OR band) OR ((((grantd OR irant) OR (irand OR igrand)) OR (graind OR (grained OR gbrained))) OR ((gran OR grand) OR rain))) counterinsurgency study ;.
• Adding a wildcard symbol may retrieve word variants: ((((((sand or rank) or (frank or franks)) or (hard or had)) or land) or band) or ((((grantd or irant) or (irand or igrand)) or (graind or (grained or gbrained))) or ((gran or grand) or rain))) counterinsurgency study ;*.