Perhaps you should try some spelling variations:
rank » frank, bank
ranks » franks, banks
franks » ffranks, fbanks, frank, frans
ffranks » fffranks, ffbanks, ffrank, ffrans
hand » had, hard
ghand » ghad, ghard, ghana, ghani
band » bank, bond
grand » grant, brand
grants » migrants

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