Perhaps you should try some spelling variations:
"using computational by detection problem" » "and computational by detection problem" (Expand search), "using computational by selection problem" (Expand search), "using computational by detection program" (Expand search), "using computational by demarcation problem" (Expand search), "using computational _ detection problem" (Expand search), "using computational 3d detection problem" (Expand search), "using computational 3 detection problem" (Expand search), "using computational ray detection problem" (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 computational by detection problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using computational by detection problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computational by detection problem") OR ("using coding python python programming"))*.