Perhaps you should try some spelling variations:
rand » brand, grand, hand
band » bank, bond
sand » stand, san, hand
grantd » grants, grand, grantsd
grantsed » grants, grafted, grantees, grantssed
grade » trade
granted » grantsed
grant » grants
brains » brain, grains, trains, bbrains, bmains, bgains
bmains » mains, brains, bains
rain » brain, main, gain
bmain » main, brain, bain

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 (band or bonds)) or (((((sand or grantd) or (granted or grantsed)) or grade) or (grant or grow)) or (((brains OR bmains) or rain) or bmain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hard) OR (had OR land)) OR (band OR bonds)) OR (((((sand OR grantd) OR (granted OR grantsed)) OR grade) OR (grant OR grow)) OR (((brains OR bmains) OR rain) OR bmain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hard) or (had or land)) or (band or bonds)) or (((((sand or grantd) or (granted or grantsed)) or grade) or (grant or grow)) or (((brains OR bmains) or rain) or bmain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (band or bonds)) or (((((sand or grantd) or (granted or grantsed)) or grade) or (grant or grow)) or (((brains OR bmains) or rain) or bmain))) counterinsurgency study ;*.