Perhaps you should try some spelling variations:
rand » brand, hand, sand
grand » gbrand, ghand, gsand, grant, brand, grantd, graind, irand
grandk » gbrandk, ghandk, gsandk, grantk, brandk, grande, grantdk, graindk, irandk
ghand » hand, ghana, ghani
ranks » banks
band » bond
grantd » grant, granttd, graintd, irantd
grants » migrants, grantts, graints, irants
grantts » grantees, grantors, granttts, graintts, irantts
granted » grantted, grainted, iranted
gran » grant, grain, iran
graindk » grainedk, graink, grainsk
graind » grained, grain, grains

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((rand or (grand OR ghand)) or ((rank or frank) or ranks)) or san) or ((band or bank) or land)) or (((grantd or granted) or (grants or grantts)) or ((gfrank or (grandk or graindk)) or (gran or graind)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR (grand OR ghand)) OR ((rank OR frank) OR ranks)) OR san) OR ((band OR bank) OR land)) OR (((grantd OR granted) OR (grants OR grantts)) OR ((gfrank OR (grandk OR graindk)) OR (gran OR graind)))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or (grand OR ghand)) or ((rank or frank) or ranks)) or san) or ((band or bank) or land)) or (((grantd or granted) or (grants or grantts)) or ((gfrank or (grandk or graindk)) or (gran or graind)))) counterinsurgency study ;*".