Perhaps you should try some spelling variations:
"using routine in declarative programming" » "using routine on declarative programming" (Expand search), "using routine and declarative programming" (Expand search), "using routine of declarative programming" (Expand search), "during routine in declarative programming" (Expand search), "using rotating in declarative programming" (Expand search), "in routine in 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: (("using routine in declarative programming") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using routine in declarative programming\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( using routine in declarative programming ) OR ( using coding python python programming ))*.