Perhaps you should try some spelling variations:
rand » brand, sand
grand » gbrand, gsand, brand
rank » ranks, frank, bank
hand » hard
band » bank
bond » bonds
gsand » sand
grad » grade, grid, graw
grant » grants
grains » rains
grain » rain

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 grand) or rank) or hand) or (had or land)) or (band or bond)) or ((((gsand or gbanktd) or grad) or grant) or ((grains OR grain) or brain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((((rand OR grand) OR rank) OR hand) OR (had OR land)) OR (band OR bond)) OR ((((gsand OR gbanktd) OR grad) OR grant) OR ((grains OR grain) OR brain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((rand or grand) or rank) or hand) or (had or land)) or (band or bond)) or ((((gsand or gbanktd) or grad) or grant) or ((grains OR grain) or brain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((((rand or grand) or rank) or hand) or (had or land)) or (band or bond)) or ((((gsand or gbanktd) or grad) or grant) or ((grains OR grain) or brain))) counterinsurgency study ;*.