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