Perhaps you should try some spelling variations:
"by computational using scheduling problem" » "by computation using scheduling problem" (Expand search), "by computations using scheduling problem" (Expand search), "by computacional usinas scheduling problem" (Expand search), "_ computational using scheduling problem" (Expand search), "and computational using scheduling problem" (Expand search), "by computational sizing scheduling problem" (Expand search), "by computational mining scheduling problem" (Expand search), "by computational uplink scheduling problem" (Expand search)
"using python python python programming" » "using pythons python python programming" (Expand search), "using piton python python programming" (Expand search), "using pitons python python programming" (Expand search), "usando python python python programming" (Expand search), "in python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("by computational using scheduling problem") OR ("using python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"by computational using scheduling problem\") OR (\"using python python python programming\"))".
• Removing quotes may allow a broader search: (( by computational using scheduling problem ) OR ( using python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("by computational using scheduling problem") OR ("using python python python programming"))*.