Perhaps you should try some spelling variations:
rand » brand, grand, hand
granddt » gbranddt, ggranddt, ghanddt, grantddt, grainddt, grandddt
bond » bonds
gsand » sand, grand
gsandtd » sandtd, grandtd
grawe » grade, graw, grave
grace » grade, race
gran » grant, grain, grand
gain » gains, main
rain » brain, main, rail
grains » gbrains, gmains, grails, grain
gbrains » gbbrains, gbmains, gbrails, brains

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 bank) or bond)) or ((((gsand or gsandtd) or (grawe OR grace)) or ((gran or granddt) or (gain or rain))) or (grains or gbrains))) 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 bank) OR bond)) OR ((((gsand OR gsandtd) OR (grawe OR grace)) OR ((gran OR granddt) OR (gain OR rain))) OR (grains OR gbrains))) 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 bank) or bond)) or ((((gsand or gsandtd) or (grawe OR grace)) or ((gran or granddt) or (gain or rain))) or (grains or gbrains))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or ((band or bank) or bond)) or ((((gsand or gsandtd) or (grawe OR grace)) or ((gran or granddt) or (gain or rain))) or (grains or gbrains))) counterinsurgency study ;*.