Perhaps you should try some spelling variations:
rand » brand, grand
grandk » gbrandk, ggrandk, grand, grande, grantdk, graindk, granddk
rank » frank
ranks » franks, banks
gfrank » gffrank, frank
sand » stand, san
hand » had, hard
band » bond
grants » migrants, grantts, graints, grandts
grantts » grantees, grantors, granttts, graintts, grandtts
graints » grains, gradients
gran » grant, grain, grand
graind » grain, grains, grand
grained » gained, strained

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: ((((rand OR (rank OR ranks)) OR (sand OR hand)) OR ((band OR bank) OR land)) OR ((graintd OR ((grants OR grantts) OR graints)) OR ((gfrank OR grandk) OR (gran OR (graind OR (grained OR trained)))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or (rank or ranks)) or (sand OR hand)) or ((band or bank) or land)) or ((graintd or ((grants or grantts) or graints)) or ((gfrank or grandk) or (gran or (graind or (grained or trained)))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((rand or (rank or ranks)) or (sand OR hand)) or ((band or bank) or land)) or ((graintd or ((grants or grantts) or graints)) or ((gfrank or grandk) or (gran or (graind or (grained or trained)))))) counterinsurgency study ;*.