Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, grant, brand, grantd, irand, grawd
grandtd » gbrandtd, gsandtd, granktd, granttd, brandtd, grantdtd, irandtd, grawdtd
band » bank, bond
grantd » granted, grants, grant, granttd, irantd, grawtd
grad » grade, grid, graw
grace » grade, race
gran » grant, iran, graw
grain » brain, gbrain, gmain, ggain
grains » brains, gbrains, gmains, ggains
rain » brain, main, gain
ggains » gains

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 hand) or hard) or (had or land)) or (band or bonds)) or ((((((grand OR grantd) or grad) or grandtd) or grace) or (gran or (grain or rain))) or (grains or ggains))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR hand) OR hard) OR (had OR land)) OR (band OR bonds)) OR ((((((grand OR grantd) OR grad) OR grandtd) OR grace) OR (gran OR (grain OR rain))) OR (grains OR ggains))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or hand) or hard) or (had or land)) or (band or bonds)) or ((((((grand OR grantd) or grad) or grandtd) or grace) or (gran or (grain or rain))) or (grains or ggains))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or hand) or hard) or (had or land)) or (band or bonds)) or ((((((grand OR grantd) or grad) or grandtd) or grace) or (gran or (grain or rain))) or (grains or ggains))) counterinsurgency study ;*.