Perhaps you should try some spelling variations:
sand » stand, san, hand
band » bank
grand » brand, irand, grawd, trand
grad » grade, grid, graw
grayd » 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 bonds))) or (((grand or ((grayd OR grad) 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 bonds))) OR (((grand OR ((grayd OR grad) 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 bonds))) or (((grand or ((grayd OR grad) 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 bonds))) or (((grand or ((grayd OR grad) or gray)) or ((gran or grain) or (rank or ranks))) or grant)) counterinsurgency study ;*.