Perhaps you should try some spelling variations:
sand » stand, san
hand » had, hard
band » bank
bond » bonds
grand » brand
grayd » gray
grad » grade, grid, gray
graw » raw, draw, grew
grain » rain
rank » ranks, frank, bank
banks » bank
grant » grants

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