Perhaps you should try some spelling variations:
"codigo javascript python contract program" » "codigo script python contract program" (Expand search), "codigo javascript python contrato programa" (Expand search), "codigo javascript python control program" (Expand search), "codigo javascript python control programs" (Expand search), "codigo javascript option contract program" (Expand search)
"using in python python programming" » "using in pythons python programming" (Expand search), "using in piton python programming" (Expand search), "using in pitons python programming" (Expand search), "using _ python python programming" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("codigo javascript python contract program") OR ("using in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"codigo javascript python contract program\") OR (\"using in python python programming\"))*".
• Removing quotes may allow a broader search: (( codigo javascript python contract program ) OR ( using in python python programming ))*.