Perhaps you should try some spelling variations:
rand » brand, grand, hand
grandtk » gbrandtk, ggrandtk, ghandtk, grantdtk, graindtk, granddtk
granddk » gbranddk, ggranddk, ghanddk, grantddk, grainddk, grandddk
rank » frank
ranks » franks, banks
grank » gfrank, grant, frank, grand, grantk, graink, grandk
sand » san, hand
band » bond
grainttd » grained
graints » grants, grains, gradients
grantk » grants, grant, granttk, graintk, grandtk
granttd » grantttd, grainttd, grandttd
granted » grantted, grainted, grandted
gran » grant, grain, grand

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 (rank or ranks)) or (sand or stand)) or ((band or bank) or land)) or ((((granttd or grainttd) or granted) or graints) or (((grank or (grantk or (grandtk OR graindtk))) or granddk) or gran))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR (rank OR ranks)) OR (sand OR stand)) OR ((band OR bank) OR land)) OR ((((granttd OR grainttd) OR granted) OR graints) OR (((grank OR (grantk OR (grandtk OR graindtk))) OR granddk) OR gran))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or (rank or ranks)) or (sand or stand)) or ((band or bank) or land)) or ((((granttd or grainttd) or granted) or graints) or (((grank or (grantk or (grandtk OR graindtk))) or granddk) or gran))) counterinsurgency study ;*".