Perhaps you should try some spelling variations:
hand » had, hard
rank » frank
ranks » franks, banks
grank » gfrank, frank, graink, irank, grawk
sand » san
band » bond
grand » brand, graind, irand, grawd
grant » grants, graint, irant, grawt
gran » grain, iran, graw

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