Perhaps you should try some spelling variations:
"based convolutional testing coverage problem" » "based compositional testing coverage problem" (Expand search), "based convolutional coding coverage problem" (Expand search), "based convolutional ring coverage problem" (Expand search), "and convolutional testing coverage problem" (Expand search), "deep convolutional testing coverage problem" (Expand search), "3d convolutional testing coverage problem" (Expand search), "based convolutional test coverage problem" (Expand search), "based convolutional testing covering problem" (Expand search), "based convolutional testing covering problems" (Expand search), "based convolutional testing coverage from" (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: "((\"based convolutional testing coverage problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( based convolutional testing coverage problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based convolutional testing coverage problem") OR ("using coding python python programming"))*.