Perhaps you should try some spelling variations:
rank » ranks, bank
frank » franks, fbank
franks » frankss, fbanks, ranks
frankss » franksss, fbankss, rankss
frans » franz, trans, fran
band » bank
grand » brand
gbond » gbon, gbonds
bond » bonds
hand » had, hard
grant » grants

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((((rank OR frank) or ((franks or frankss) or frans)) or band) or grand) or land) or (((gbond or bond) or hand) or grant)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((rank OR frank) OR ((franks OR frankss) OR frans)) OR band) OR grand) OR land) OR (((gbond OR bond) OR hand) OR grant)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((rank OR frank) or ((franks or frankss) or frans)) or band) or grand) or land) or (((gbond or bond) or hand) or grant)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((rank OR frank) or ((franks or frankss) or frans)) or band) or grand) or land) or (((gbond or bond) or hand) or grant)) counterinsurgency study ;*.