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 » grants, grant, grand, granttd, graintd, grandtd
irant » grant, iran, irani
irand » brand, iran, grand
iirand » ibrand, iiran, igrand
graind » grained, grain, grains, gbraind, gmaind, ggaind
granttd » grantttd, grainttd, grandttd
granted » grantted, grainted, grandted
gran » grant, grain, grand
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 trans))) or hand) or land) or band) or ((((((grantd OR granttd) or granted) or irant) or (irand or iirand)) or graind) or (gran 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 trans))) OR hand) OR land) OR band) OR ((((((grantd OR granttd) OR granted) OR irant) OR (irand OR iirand)) OR graind) OR (gran OR rain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((sand or rank) or (frank or (franks or trans))) or hand) or land) or band) or ((((((grantd OR granttd) or granted) or irant) or (irand or iirand)) or graind) or (gran or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((sand or rank) or (frank or (franks or trans))) or hand) or land) or band) or ((((((grantd OR granttd) or granted) or irant) or (irand or iirand)) or graind) or (gran or rain))) counterinsurgency study ;*.