Perhaps you should try some spelling variations:
rand » brand, band, hand
grand » gbrand, gband, ghand, brand, graind, irand, grayd
bond » bonds
grant » grants, graint, irant, grayt
grantsdtd » grantssdtd, graintsdtd, irantsdtd, graytsdtd
rains » grains, trains, drains, brains, mains, gains
grained » gained, trained, strained, gbrained, gmained, ggained
graw » grow, raw, draw
gran » grain, iran, gray
graint » grain, grains, gradient, gbraint, gmaint, ggaint
rainfed » brainfed, mainfed, gainfed
geraint » gebraint, gemaint, gegaint
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 (((((grant or rains) or (grantsdtd or (grained or rainfed))) or graw) or gran) or ((graint OR geraint) 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 (((((grant OR rains) OR (grantsdtd OR (grained OR rainfed))) OR graw) OR gran) OR ((graint OR geraint) 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 (((((grant or rains) or (grantsdtd or (grained or rainfed))) or graw) or gran) or ((graint OR geraint) 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 (((((grant or rains) or (grantsdtd or (grained or rainfed))) or graw) or gran) or ((graint OR geraint) or rain))) counterinsurgency study ;*.