Perhaps you should try some spelling variations:
"coding duration during declarative programming" » "coding duration mining declarative programming" (Expand search), "coding duration in declarative programming" (Expand search), "coding duration during curative programming" (Expand search), "loading duration during declarative programming" (Expand search), "flooding duration during declarative programming" (Expand search), "feeding duration during declarative programming" (Expand search), "coding education during declarative programming" (Expand search), "coding donation during declarative programming" (Expand search), "coding ration during 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: "((\"coding duration during declarative programming\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coding duration during declarative programming ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coding duration during declarative programming") OR ("using coding python python programming"))*.