Perhaps you should try some spelling variations:
ranks » banks
sand » san, hand
bond » bonds
grand » brand, graind, irand, grawd
grank » graink, irank, grawk
gran » grain, iran, graw
grant » graint, irant, grawt, grants
irant » iran, irani, brant
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 ranks)) OR (sand OR stand)) OR (((band OR bond) OR bank) OR land)) OR (grand OR ((grank OR frank) OR (gran OR ((irant OR (grawt OR grant)) OR (grawt OR grant)))))) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((had or (rank or ranks)) or (sand or stand)) or (((band or bond) or bank) or land)) or (grand or ((grank or frank) or (gran or ((irant or (grawt OR grant)) or (grawt OR grant)))))) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((had or (rank or ranks)) or (sand or stand)) or (((band or bond) or bank) or land)) or (grand or ((grank or frank) or (gran or ((irant or (grawt OR grant)) or (grawt OR grant)))))) counterinsurgency study ;*.