Perhaps you should try some spelling variations:
rank » ranks, frank, bank
ffranks » ffrankss, fffranks, ffbanks
sand » stand, san, hand
band » bank, bond
irani » iran, iraqi, iravi, irand, iani
rani » ravi, rand, ani
grantk » grant, granttk, graintk, irantk
grants » migrants, grantts, graints, irants
graint » geraint, grant, grain
gran » grant, grain, iran
grandt » grantdt, graindt, irandt, grant, grande, brandt, grantt
grand » grantd, graind, irand, grant, brand

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 (sand or (hard or had))) or (band or land)) or ((((((irani OR rani) or (grantk or (grants or graint))) or gran) or ffranks) or (grandt or grand)) or ghana)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((rank OR (sand OR (hard OR had))) OR (band OR land)) OR ((((((irani OR rani) OR (grantk OR (grants OR graint))) OR gran) OR ffranks) OR (grandt OR grand)) OR ghana)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((rank or (sand or (hard or had))) or (band or land)) or ((((((irani OR rani) or (grantk or (grants or graint))) or gran) or ffranks) or (grandt or grand)) or ghana)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((rank or (sand or (hard or had))) or (band or land)) or ((((((irani OR rani) or (grantk or (grants or graint))) or gran) or ffranks) or (grandt or grand)) or ghana)) counterinsurgency study ;*.