Perhaps you should try some spelling variations:
rand » brand, sand, rank
irand » ibrand, isand, irank, brand, iran, irani
grand » gbrand, gsand, grank, graind, irand, grawd, brand
band » bond
grant » grants, graint, irant, grawt
grantssstd » grantsssstd, graintssstd, irantssstd, grawtssstd
graind » grained, grain, grains, gbraind, ggaind, graild
grave » gravel, grade, grace
gran » grain, iran, graw
rain » brain, gain, rail

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 ((band or bank) or bonds)) or ((((((irand or grant) or graind) or grantssstd) or (grave or raw)) or (gran OR grand)) or (rain 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 ((band OR bank) OR bonds)) OR ((((((irand OR grant) OR graind) OR grantssstd) OR (grave OR raw)) OR (gran OR grand)) OR (rain 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 ((band or bank) or bonds)) or ((((((irand or grant) or graind) or grantssstd) or (grave or raw)) or (gran OR grand)) or (rain or main))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or (hand or hard)) or (had or land)) or ((band or bank) or bonds)) or ((((((irand or grant) or graind) or grantssstd) or (grave or raw)) or (gran OR grand)) or (rain or main))) counterinsurgency study ;*.