Perhaps you should try some spelling variations:
rand » brand, grand, sand
rank » ranks, frank
hand » hard
band » bond
gsand » sand, grand
grawd » grand, grawe, rawd, drawd, grewd
grad » grade, grand, grid
graw » raw, draw, grew
grant » grants
grains » 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 rank) or hand) or (had or land)) or ((band or bank) or bonds)) or ((((gsand or gbanktd) or ((grawd OR grad) or (grow or graw))) or grant) or (grains or brain))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((rand OR rank) OR hand) OR (had OR land)) OR ((band OR bank) OR bonds)) OR ((((gsand OR gbanktd) OR ((grawd OR grad) OR (grow OR graw))) OR grant) OR (grains OR brain))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((rand or rank) or hand) or (had or land)) or ((band or bank) or bonds)) or ((((gsand or gbanktd) or ((grawd OR grad) or (grow or graw))) or grant) or (grains or brain))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or rank) or hand) or (had or land)) or ((band or bank) or bonds)) or ((((gsand or gbanktd) or ((grawd OR grad) or (grow or graw))) or grant) or (grains or brain))) counterinsurgency study ;*.