Perhaps you should try some spelling variations:
"based computational tool duplication problem" » "and computational tool duplication problem" (Expand search), "by computational tool duplication problem" (Expand search), "based computational tool lubrication problems" (Expand search), "based computational tool equalization problem" (Expand search), "based computational tool location problem" (Expand search), "based computational biology duplication problem" (Expand search), "based computational tool application problem" (Expand search), "based computational tools application problem" (Expand search), "based computational the duplication 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: "((\"based computational tool duplication problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( based computational tool duplication problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based computational tool duplication problem") OR ("using coding python python programming"))*.