Perhaps you should try some spelling variations:
rand » brand, grand, band
grad » grade, grand, grid
grant » grants
brail » brazil, rail, trail
brasil » brazil
growe » grower, garowe, grown
rain » main, gain, rail
brain » bmain, bgain, brail
grains » gmains, ggains, grails, grain

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 (bond or bonds)) or ((((((grad or grant) or (brail OR brasil)) or rayttd) or (growe or grow)) or ((rain or brain) or ray)) or grains)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR hard) OR (had OR land)) OR (bond OR bonds)) OR ((((((grad OR grant) OR (brail OR brasil)) OR rayttd) OR (growe OR grow)) OR ((rain OR brain) OR ray)) OR grains)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or hard) or (had or land)) or (bond or bonds)) or ((((((grad or grant) or (brail OR brasil)) or rayttd) or (growe or grow)) or ((rain or brain) or ray)) or grains)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or hard) or (had or land)) or (bond or bonds)) or ((((((grad or grant) or (brail OR brasil)) or rayttd) or (growe or grow)) or ((rain or brain) or ray)) or grains)) counterinsurgency study ;*.