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