Perhaps you should try some spelling variations:
rand » brand, band, hand
grand » gbrand, gband, ghand, grant, brand, grantd, graind, irand
bond » bonds
irant » grant, iran, irani
irantsdtd » grantsdtd, iransdtd, iranisdtd
rains » grains, trains, gains, brains, mains
drains » dgrains, dtrains, dgains, drain, grains, trains, dbrains, dmains
rainted » rainfed, painted, tainted, brainted, mainted, gainted
graw » grow, raw, draw
gran » grant, grain, iran
graint » geraint, grant, grain, gbraint, gmaint, ggaint
rain » brain, main, gain

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