Perhaps you should try some spelling variations:
"using completion using discourse processing" » "using compilation using discourse processing" (Expand search), "using compression using discourse processing" (Expand search), "using complete using discourse processing" (Expand search), "using composition using discourse processing" (Expand search), "using computation using discourse processing" (Expand search), "using completion housing discourse processing" (Expand search), "using completion nursing discourse processing" (Expand search), "using completion 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 completion using discourse processing\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using completion using discourse processing ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using completion using discourse processing") OR ("using coding python python programming"))*.