Perhaps you should try some spelling variations:
rand » brand, grand, sand
irand » ibrand, igrand, isand, brand, iran, grand
band » bond
grant » grants, graint, grandt, irant
grantssstd » grantsssstd, graintssstd, grandtssstd, irantssstd
graind » grained, grain, grains, gbraind, ggaind, graild
graild » grail
grave » gravel, grade, grace
gran » grain, grand, iran
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 graild)) or grantssstd) or (grave or raw)) or gran) 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 graild)) OR grantssstd) OR (grave OR raw)) OR gran) 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 graild)) or grantssstd) or (grave or raw)) or gran) 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 graild)) or grantssstd) or (grave or raw)) or gran) or (rain or main))) counterinsurgency study ;*.