Perhaps you should try some spelling variations:
rand » brand, grand, hand
grandttd » gbrandttd, ggrandttd, ghandttd, granted, grantdttd, graindttd, granddttd
granddk » gbranddk, ggranddk, ghanddk, grantddk, grainddk, grandddk
grandddk » gbrandddk, ggrandddk, ghandddk, grantdddk, graindddk, granddddk
granddddk » gbranddddk, ggranddddk, ghanddddk, grantddddk, grainddddk, grandddddk
rank » frank
ranks » franks, banks
grank » gfrank, grant, frank, grand, grantk, graink, grandk
sand » san, hand
bond » bonds
granttd » granted, grantttd, grainttd, grandttd
grainttd » granted, grained
graints » grants, grains, gradients
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 band) or stand)) or ((bond or bank) or land)) or ((((granttd or grainttd) or grandttd) or graints) or ((grank or (granddk or (grandddk or granddddk))) 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 band) OR stand)) OR ((bond OR bank) OR land)) OR ((((granttd OR grainttd) OR grandttd) OR graints) OR ((grank OR (granddk OR (grandddk OR granddddk))) 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 band) or stand)) or ((bond or bank) or land)) or ((((granttd or grainttd) or grandttd) or graints) or ((grank or (granddk or (grandddk or granddddk))) or gran))) counterinsurgency study ;*".