Perhaps you should try some spelling variations:
sand » stand, band, san
ranks » banks
frans » franz, trans, fran
hand » had, band, hard
grantd » granted, grants, grant, granttd, graintd, irantd
irani » iran, iraqi, rani
irand » brand, iran, rand
igrand » igrant, ibrand, igrantd, igraind, iirand
grand » grant, brand, grantd, graind, irand
graind » grained, grain, grains, gmaind, ggaind, graild
gran » grant, grain, iran
rain » main, gain, rail
brain » bmain, bgain, brail

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 hand) or land) or bank) or ((((grantd or irani) or (irand or (igrand OR grand))) or graind) or (gran or (rain or brain)))) 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 hand) OR land) OR bank) OR ((((grantd OR irani) OR (irand OR (igrand OR grand))) OR graind) OR (gran OR (rain OR brain)))) 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 hand) or land) or bank) or ((((grantd or irani) or (irand or (igrand OR grand))) or graind) or (gran or (rain or brain)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((sand or (rank or ranks)) or (frank or frans)) or hand) or land) or bank) or ((((grantd or irani) or (irand or (igrand OR grand))) or graind) or (gran or (rain or brain)))) counterinsurgency study ;*.