Perhaps you should try some spelling variations:
sand » san
rank » ranks, bank
frank » franks, fbank
hand » had, hard
band » bank, bond
irant » iran, irani, brant
irand » brand, iran, grand
igrand » grand, igrandd, iirand, igrawd
graind » grained, grains, grand, braind, gbraind, gmaind, ggaind
granted » grandted, iranted, grawted, grantsed
gran » grand, iran, graw
grant » grandt, irant, grawt, grants
grain » brain, gbrain, gmain, ggain
gmain » main, gain, smain
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 (frank or ((franz or trans) or fan))) or hand) or land) or band) or ((((granted or irant) or (irand or igrand)) or graind) or ((gran or grant) or ((grain OR gmain) or rain)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((sand OR stand) OR rank) OR (frank OR ((franz OR trans) OR fan))) OR hand) OR land) OR band) OR ((((granted OR irant) OR (irand OR igrand)) OR graind) OR ((gran OR grant) OR ((grain OR gmain) OR rain)))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((sand or stand) or rank) or (frank or ((franz or trans) or fan))) or hand) or land) or band) or ((((granted or irant) or (irand or igrand)) or graind) or ((gran or grant) or ((grain OR gmain) or rain)))) counterinsurgency study ;*".