Perhaps you should try some spelling variations:
"code expression in declarative programming" » "code expression in reactive programming" (Expand search), "code expressions in declarative programming" (Expand search), "wide expression in declarative programming" (Expand search), "ide expression in declarative programming" (Expand search), "code expression on declarative programming" (Expand search), "code expression and declarative programming" (Expand search), "code expression of declarative programming" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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: (("code expression in declarative programming") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code expression in declarative programming\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( code expression in declarative programming ) OR ( using coding python python programming ))*.