Perhaps you should try some spelling variations:
rand » brand, grand, band
bond » bonds
graint » grain, grains, gradient, gmaint, ggaint, grailt
grainted » grained, grainsed, gradiented, granted, printed, gmainted, ggainted, grailted
rains » grains, trains, drains, mains, gains, rails
brains » bgrains, btrains, bdrains, grains, trains, drains, bmains, bgains, brails
grantdtd » granted, graintdtd, grandtdtd, irantdtd, grantsdtd
mainted » painted, tainted
graw » grow, raw, draw
gran » grain, grand, iran
grant » graint, grandt, irant, grants
geraint » gemaint, gegaint, gerailt
rain » main, gain, rail
brain » bmain, bgain, brail

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 (bank or bond)) or ((((((graint or geraint) or (rains or brains)) or (grantdtd or (grainted or mainted))) or graw) or (gran or grant)) or ((graint or geraint) or (rain OR brain)))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hard) OR (had OR land)) OR (bank OR bond)) OR ((((((graint OR geraint) OR (rains OR brains)) OR (grantdtd OR (grainted OR mainted))) OR graw) OR (gran OR grant)) OR ((graint OR geraint) OR (rain OR brain)))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hard) or (had or land)) or (bank or bond)) or ((((((graint or geraint) or (rains or brains)) or (grantdtd or (grainted or mainted))) or graw) or (gran or grant)) or ((graint or geraint) or (rain OR brain)))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (bank or bond)) or ((((((graint or geraint) or (rains or brains)) or (grantdtd or (grainted or mainted))) or graw) or (gran or grant)) or ((graint or geraint) or (rain OR brain)))) counterinsurgency study ;*.