Perhaps you should try some spelling variations:
"code computation and reverse problem" » "core computation and reverse problem" (Expand search), "code computational and reverse problem" (Expand search), "pose computation and reverse problem" (Expand search), "code computation of reverse problem" (Expand search), "code computation and reversal problem" (Expand search), "code computation and inverse problem" (Expand search), "code computation and release problem" (Expand search), "code computation and adverse 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: "((\"code computation and reverse problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( code computation and reverse problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("code computation and reverse problem") OR ("using coding python python programming"))*.