Perhaps you should try some spelling variations:
rand » brand, grand, hand
gggrandtd » gggbrandtd, ggggrandtd, ggghandtd, gggrantdtd, gggranddtd, ggirandtd
granddtd » gbranddtd, ggranddtd, ghanddtd, grantddtd, grandddtd, iranddtd
band » bank
grad » grand, grid, graw
grade » grande, gride, grawe, trade
grawe » grace, graw, grave
gran » grant, grand, iran
grain » brain, rain
raint » rain, saint, paint
rains » grains, trains, drains
rainy » rain

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 hard) or (had or land)) or (band or (bond or bonds))) or ((((grad or (gggrandtd or granddtd)) or (grade OR grawe)) or (gran or grain)) or ((raint or rains) or rainy))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hard) OR (had OR land)) OR (band OR (bond OR bonds))) OR ((((grad OR (gggrandtd OR granddtd)) OR (grade OR grawe)) OR (gran OR grain)) OR ((raint OR rains) OR rainy))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hard) or (had or land)) or (band or (bond or bonds))) or ((((grad or (gggrandtd or granddtd)) or (grade OR grawe)) or (gran or grain)) or ((raint or rains) or rainy))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (band or (bond or bonds))) or ((((grad or (gggrandtd or granddtd)) or (grade OR grawe)) or (gran or grain)) or ((raint or rains) or rainy))) counterinsurgency study ;*.