Perhaps you should try some spelling variations:
sand » san
gsand » gsan
grand » brand
grank » rank, gran
grawd » graw, grad
grawe » grade, grace, graw
grants » migrants
irank » iran, rank, irani
hand » had, hard
band » bank, bond
frans » trans, fran

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 (((((grand or gsand) or grank) or (grawd OR grawe)) or (grant or grants)) or irank)) or hand) or frank) or stand) or land) or band) or ((frans or franz) or main)) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((sand OR (((((grand OR gsand) OR grank) OR (grawd OR grawe)) OR (grant OR grants)) OR irank)) OR hand) OR frank) OR stand) OR land) OR band) OR ((frans OR franz) OR main)) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((((((sand or (((((grand or gsand) or grank) or (grawd OR grawe)) or (grant or grants)) or irank)) or hand) or frank) or stand) or land) or band) or ((frans or franz) or main)) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: (((((((sand or (((((grand or gsand) or grank) or (grawd OR grawe)) or (grant or grants)) or irank)) or hand) or frank) or stand) or land) or band) or ((frans or franz) or main)) counterinsurgency study ;*.