Perhaps you should try some spelling variations:
rand » brand, grand, sand
rank » ranks, frank, bank
hand » hard
band » bank, bond
grant » grants
drawd » draws, draw, drawn
growd » grow, grown, crowd
graw » grow, raw, draw
grain » brain, rain
graint » braint, raint, geraint, grains

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 bonds)) or ((((grant or gbanktd) or ((drawd or growd) or graw)) or grain) or (graint OR gradient))) 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 bonds)) OR ((((grant OR gbanktd) OR ((drawd OR growd) OR graw)) OR grain) OR (graint OR gradient))) 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 bonds)) or ((((grant or gbanktd) or ((drawd or growd) or graw)) or grain) or (graint OR gradient))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((rand or rank) or hand) or (had or land)) or (band or bonds)) or ((((grant or gbanktd) or ((drawd or growd) or graw)) or grain) or (graint OR gradient))) counterinsurgency study ;*.