Perhaps you should try some spelling variations:
"coder implementation and packing problem" » "code implementation and packing problem" (Expand search), "decoder implementation and packing problem" (Expand search), "model implementation and packing problem" (Expand search), "coder implementation of packing problem" (Expand search), "coder implementation and packaging problem" (Expand search), "coder implementation and tracking problem" (Expand search), "coder implementation and docking problem" (Expand search)
"python coding python python programming" » "action coding python python programming" (Expand search), "python code python python programming" (Expand search), "python codigo python python programming" (Expand search), "python codigos python python programming" (Expand search), "python using python python programming" (Expand search), "python coding pythons python programming" (Expand search), "python coding piton python programming" (Expand search), "python coding pitons 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 implementation and packing problem\") OR (\"python coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder implementation and packing problem ) OR ( python coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder implementation and packing problem") OR ("python coding python python programming"))*.