Perhaps you should try some spelling variations:
"coder implementation in picking problem" » "code implementation in picking problem" (Expand search), "decoder implementation in picking problem" (Expand search), "model implementation in picking problem" (Expand search), "coder implementation and picking problem" (Expand search), "coder implementation of picking problem" (Expand search), "coder implementation in packing problem" (Expand search), "coder implementation in packing problems" (Expand search), "coder implementation in pricing problem" (Expand search), "coder implementation bin picking problem" (Expand search), "coder implementation skin picking 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 in picking problem\") OR (\"python coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder implementation in picking problem ) OR ( python coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder implementation in picking problem") OR ("python coding python python programming"))*.