Perhaps you should try some spelling variations:
sand » stand, san
rank » ranks, bank
frank » franks, fbank
franks » frankss, fbanks, ranks, frans
hand » had, hard
band » bank, bond
grantd » granted, grants, grant, granttd, irantd, grawtd
irant » grant, iran, irani
irand » brand, iran, rand
igrand » igrant, ibrand, igrantd, iirand, igrawd
grand » grant, brand, grantd, irand, grawd
igrandd » igrantd, ibrandd, igrantdd, iirandd, igrawdd
graind » grained, grains, raind
gran » grant, iran, graw
grain » 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 rank) or (frank or franks)) or hand) or land) or band) or ((((grantd or irant) or (irand or ((igrand or grand) or igrandd))) or graind) or (gran or (grain OR brain)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((sand OR rank) OR (frank OR franks)) OR hand) OR land) OR band) OR ((((grantd OR irant) OR (irand OR ((igrand OR grand) OR igrandd))) OR graind) OR (gran OR (grain OR brain)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((sand or rank) or (frank or franks)) or hand) or land) or band) or ((((grantd or irant) or (irand or ((igrand or grand) or igrandd))) or graind) or (gran or (grain OR brain)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((sand or rank) or (frank or franks)) or hand) or land) or band) or ((((grantd or irant) or (irand or ((igrand or grand) or igrandd))) or graind) or (gran or (grain OR brain)))) counterinsurgency study ;*.