Perhaps you should try some spelling variations:
sand » stand, san
rank » bank
ranks » banks
frank » fbank
frans » trans, fran
hand » hard
band » bank, bond
grantd » granted, grants, grant, granttd, grandtd, irantd
irani » iran, iraqi, rani
irand » brand, iran, grand
igrand » grand, igrantd, igrandd, iirand
graind » grained, grains, grand, braind, gbraind, gmaind, ggaind
grain » brain, gbrain, gmain, ggain
gran » grant, grand, iran
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 ranks)) or (frank or (frans or franz))) or (hand or had)) or land) or band) or ((((grantd or irani) or (irand or igrand)) or (graind OR grain)) or (gran or rain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((sand OR (rank OR ranks)) OR (frank OR (frans OR franz))) OR (hand OR had)) OR land) OR band) OR ((((grantd OR irani) OR (irand OR igrand)) OR (graind OR grain)) OR (gran OR rain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((sand or (rank or ranks)) or (frank or (frans or franz))) or (hand or had)) or land) or band) or ((((grantd or irani) or (irand or igrand)) or (graind OR grain)) or (gran or rain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((sand or (rank or ranks)) or (frank or (frans or franz))) or (hand or had)) or land) or band) or ((((grantd or irani) or (irand or igrand)) or (graind OR grain)) or (gran or rain))) counterinsurgency study ;*.