Perhaps you should try some spelling variations:
rand » brand, grand, hand
grandtd » gbrandtd, ggrandtd, ghandtd, grantdtd, graindtd, granddtd
grandtts » gbrandtts, ggrandtts, ghandtts, grandes, grantdtts, graindtts, granddtts
grandk » gbrandk, ggrandk, ghandk, grand, grande, grantdk, graindk, granddk
gsand » sand, grand
ranks » banks
band » bond
grantd » granted, grant, grand, granttd, graintd, grandtd
grantdk » grantedk, grantk, grandk, granttdk, graintdk, grandtdk
grants » migrants, grantts, graints, grandts
gran » grant, grain, grand
grained » gained, trained, strained

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 gsand) or ((rank or frank) or ranks)) or san) or ((band or bank) or land)) or (((grantd OR grandtd) or (grants or grandtts)) or ((gfrank or ((grandk or grantdk) or graindk)) or (gran or grained)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR gsand) OR ((rank OR frank) OR ranks)) OR san) OR ((band OR bank) OR land)) OR (((grantd OR grandtd) OR (grants OR grandtts)) OR ((gfrank OR ((grandk OR grantdk) OR graindk)) OR (gran OR grained)))) counterinsurgency study ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or gsand) or ((rank or frank) or ranks)) or san) or ((band or bank) or land)) or (((grantd OR grandtd) or (grants or grandtts)) or ((gfrank or ((grandk or grantdk) or graindk)) or (gran or grained)))) counterinsurgency study ;*".