Perhaps you should try some spelling variations:
"by computational network coding problem" » "by computation networks coding problem" (Expand search), "by computational famework coding problem" (Expand search), "by communicational networks coding problem" (Expand search), "_ computational network coding problem" (Expand search), "and computational network coding problem" (Expand search), "by computational network coding problems" (Expand search), "by computational network coping problem" (Expand search), "by computational network loading 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: "((\"by computational network coding problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( by computational network coding problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("by computational network coding problem") OR ("using coding python python programming"))*.