Perhaps you should try some spelling variations:
clean » clear, clan, alean, cleon, cjean, cleal
crean » crear, crea
lean » leon, jean, leal
alan » galan, allan, aland
cad » cada, cuad
cppplan » cpppland
lan » land
plan » pland
cano » caso, ano
clar » clara, claro, clark

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((((((((clean or crean) or lean) or alan) or cppplan) or cad) or lan) or cano) or clar) or plan).~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((((clean OR crean) OR lean) OR alan) OR cppplan) OR cad) OR lan) OR cano) OR clar) OR plan)..
• Adding a wildcard symbol may retrieve word variants: (((((((((clean or crean) or lean) or alan) or cppplan) or cad) or lan) or cano) or clar) or plan).*.