Perhaps you should try some spelling variations:
"coder allocation problem from problem" » "coder location problem from problem" (Expand search), "power allocation problem from problem" (Expand search), "order allocation problem from problem" (Expand search), "over allocation problem from problem" (Expand search), "coder allocation problem from protium" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder allocation problem from problem") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder allocation problem from problem\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( coder allocation problem from problem ) OR ( using coding python python programming ))*.