Perhaps you should try some spelling variations:
rank » ranks, bank
franks » frankss, fbanks, ranks, frans
frank » franks, fbank
ffranks » ffrankss, ffbanks, franks, ffrans
ffrankss » ffranksss, ffbankss, frankss, ffranss
band » bank, bond
grand » brand
gbond » bond, gabond
gbon » gabon
hand » had, hard
grant » grants

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rank OR ((((franks OR frank) OR ffranks) OR ffrankss) OR trans)) OR band) OR grand) OR land) OR ((((gbond OR gbon) OR bonds) OR hand) OR grant)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rank or ((((franks OR frank) or ffranks) or ffrankss) or trans)) or band) or grand) or land) or ((((gbond or gbon) or bonds) or hand) or grant)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: (((((rank or ((((franks OR frank) or ffranks) or ffrankss) or trans)) or band) or grand) or land) or ((((gbond or gbon) or bonds) or hand) or grant)) counterinsurgency study ;*.