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