Perhaps you should try some spelling variations:
sand » san
hand » had, hard
band » bank
bond » bonds
grand » brand, irand, grawd, grayd
grayd » gray, grad
gran » iran, graw, gray
grant » irant, grawt, grayt, grants
grain » rain
rank » frank, bank
ranks » franks, banks

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: ((((sand OR stand) OR (hand OR land)) OR (band OR bond)) OR (((grand OR grayd) OR ((gran OR (grain OR brain)) OR (rank OR ranks))) OR grant)) counterinsurgency study ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((sand OR stand) or (hand or land)) or (band or bond)) or (((grand or grayd) or ((gran or (grain or brain)) or (rank or ranks))) or grant)) counterinsurgency study ;~".
• Adding a wildcard symbol may retrieve word variants: ((((sand OR stand) or (hand or land)) or (band or bond)) or (((grand or grayd) or ((gran or (grain or brain)) or (rank or ranks))) or grant)) counterinsurgency study ;*.