Perhaps you should try some spelling variations:
"using computational single allocation problem" » "using computational spine allocation problem" (Expand search), "using computational science allocation problem" (Expand search), "using computacional sintese allocation problem" (Expand search), "and computational single allocation problem" (Expand search), "using computational single location problem" (Expand search), "using computational single application problem" (Expand search), "using computational time allocation problem" (Expand search), "using computational space allocation 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: "((\"using computational single allocation problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( using computational single allocation problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computational single allocation problem") OR ("using coding python python programming"))*.