Perhaps you should try some spelling variations:
"using functions engine declarative programming" » "using functions in declarative programming" (Expand search), "using functions non declarative programming" (Expand search), "using functions mining declarative programming" (Expand search), "using functions entire declarative programming" (Expand search), "using functions belonging declarative programming" (Expand search), "using functions defined declarative programming" (Expand search), "using functional engine declarative programming" (Expand search), "ing functions engine declarative programming" (Expand search), "testing functions engine 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using functions engine declarative programming\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using functions engine declarative programming ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using functions engine declarative programming") OR ("using coding python python programming"))*.