Perhaps you should try some spelling variations:
rand » brand, sand, rank
grand » gbrand, gsand, grank, grant, brand, grantd, irand, grawd
band » bank
bond » bonds
grawd » graw, grad
grantdtd » granted, granttdtd, irantdtd, grawtdtd
grawe » grade, grace, graw
gran » grant, iran, graw
grain » brain, gbrain, gmain, grail
graint » braint, gbraint, gmaint, grailt, geraint, grant, grains
rain » brain, main, rail
brains » bbrains, bmains, brails, brain, grains, trains
gain » gains, main

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 bond)) or (((((grawd OR grand) or grantdtd) or grawe) or (gran or (grain or (rain or gain)))) or (graint or brains))) 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 bond)) OR (((((grawd OR grand) OR grantdtd) OR grawe) OR (gran OR (grain OR (rain OR gain)))) OR (graint OR brains))) 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 bond)) or (((((grawd OR grand) or grantdtd) or grawe) or (gran or (grain or (rain or gain)))) or (graint or brains))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or hand) or hard) or (had or land)) or (band or bond)) or (((((grawd OR grand) or grantdtd) or grawe) or (gran or (grain or (rain or gain)))) or (graint or brains))) counterinsurgency study ;*.