Perhaps you should try some spelling variations:
rand » brand, rank
grand » gbrand, grank, grantd, graind, irand, grant, brand
sand » stand, san
hand » had, hard
band » bond
graind » grained, grain, grains
grants » migrants, grantts, graints, irants
gran » grant, grain, iran
grank » grantk, graink, irank, grant, rank
chad » had

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((((rand or frank) or (sand or hand)) or ((band or bank) or land)) or ((graind or (grants or (gran or (grand OR grank)))) or ((chad or cham) or ghana))) counterinsurgency study ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((rand OR frank) OR (sand OR hand)) OR ((band OR bank) OR land)) OR ((graind OR (grants OR (gran OR (grand OR grank)))) OR ((chad OR cham) OR ghana))) counterinsurgency study ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((rand or frank) or (sand or hand)) or ((band or bank) or land)) or ((graind or (grants or (gran or (grand OR grank)))) or ((chad or cham) or ghana))) counterinsurgency study ;".
• Adding a wildcard symbol may retrieve word variants: ((((rand or frank) or (sand or hand)) or ((band or bank) or land)) or ((graind or (grants or (gran or (grand OR grank)))) or ((chad or cham) or ghana))) counterinsurgency study ;*.