Perhaps you should try some spelling variations:
sand » stand, san, hand
band » bank
bond » bonds
grand » brand, irand, grawd, trand
grayd » grad, rayd, grawd
gray » ray, graw
gran » iran, graw, tran
grant » irant, grawt, trant, grants
grain » brain, rain
rank » frank, bank
ranks » franks, banks

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

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