Perhaps you should try some spelling variations:
ranks » banks
sand » san, hand
bond » bonds
grand » brand, irand, grawd, grayd
grank » irank, grawk, grayk
gran » iran, graw, gray
grant » irant, grawt, grayt, grants
grain » brain, rain
grawt » graw, graft, grawe

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((had OR ((rank OR frank) OR ranks)) OR (sand OR stand)) OR (((band OR bond) OR bank) OR land)) OR (grand OR (grank OR ((gran OR grain) OR ((grant OR grawt) OR grawt))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((had or ((rank or frank) or ranks)) or (sand or stand)) or (((band or bond) or bank) or land)) or (grand or (grank or ((gran OR grain) or ((grant or grawt) or grawt))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((had or ((rank or frank) or ranks)) or (sand or stand)) or (((band or bond) or bank) or land)) or (grand or (grank or ((gran OR grain) or ((grant or grawt) or grawt))))) counterinsurgency study ;*.