Perhaps you should try some spelling variations:
"and computation using detection problem" » "and computations using detection problem" (Expand search), "and computation in detection problem" (Expand search), "and composition using detection problem" (Expand search), "and computation using selection problem" (Expand search), "and computation using detection program" (Expand search), "and computation using demarcation problem" (Expand search), "and computational using detection problem" (Expand search), "of computation using detection problem" (Expand search), "and computation fouling detection problem" (Expand search), "and computation burning 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: "((\"and computation using detection problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( and computation using detection problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computation using detection problem") OR ("using coding python python programming"))*.