Perhaps you should try some spelling variations:
"coder allocation in string problem" » "power allocation in string problem" (Expand search), "order allocation in string problem" (Expand search), "over allocation in string problem" (Expand search), "coder allocation in sizing problem" (Expand search), "coder allocation in rostering problem" (Expand search), "coder allocation in sharing problems" (Expand search), "coder allocation of string 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: "((\"coder allocation in string problem\") OR (\"using coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder allocation in string problem ) OR ( using coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder allocation in string problem") OR ("using coding python python programming"))*.