Perhaps you should try some spelling variations:
rand » brand, grand, band
irand » ibrand, igrand, iband, brand, iran, grand
hand » band
grant » grants, graint, grandt, irant
grantssstd » grantsssstd, graintssstd, grandtssstd, irantssstd
graind » grained, grain, grains, gbraind, graild
grave » gravel, grade, grace
gran » grain, grand, iran
rain » brain, rail
gain » gains

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 (hand or hard)) or (had or land)) or ((bond or bank) or bonds)) or ((((((irand or grant) or graind) or grantssstd) or (grave or raw)) or gran) or ((rain OR gain) or main))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR (hand OR hard)) OR (had OR land)) OR ((bond OR bank) OR bonds)) OR ((((((irand OR grant) OR graind) OR grantssstd) OR (grave OR raw)) OR gran) OR ((rain OR gain) OR main))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or (hand or hard)) or (had or land)) or ((bond or bank) or bonds)) or ((((((irand or grant) or graind) or grantssstd) or (grave or raw)) or gran) or ((rain OR gain) or main))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or (hand or hard)) or (had or land)) or ((bond or bank) or bonds)) or ((((((irand or grant) or graind) or grantssstd) or (grave or raw)) or gran) or ((rain OR gain) or main))) counterinsurgency study ;*.