Perhaps you should try some spelling variations:
hand » had, hard
sand » san
band » bond
grand » grant, brand, grantd, graind, irand
grank » grant, grantk, graink, irank
irank » iran, irani, irans
gran » grant, grain, iran
graint » geraint, grant, grain
grawt » grant, graw, graft

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