Perhaps you should try some spelling variations:
"using expression using discourse processing" » "parsing expression using discourse processing" (Expand search), "using compression using discourse processing" (Expand search), "single expression using discourse processing" (Expand search), "using expression during discourse processing" (Expand search), "using expression and discourse processing" (Expand search), "using expression housing discourse processing" (Expand search), "using expression nursing discourse processing" (Expand search), "using expression housing discourses processing" (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 expression using discourse processing\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using expression using discourse processing ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using expression using discourse processing") OR ("using coding python python programming"))*.