Perhaps you should try some spelling variations:
"coder implementation and matching problem" » "code implementation and matching problem" (Expand search), "decoder implementation and matching problem" (Expand search), "model implementation and matching problem" (Expand search), "coder implementation of matching problem" (Expand search), "coder implementation and packing problem" (Expand search), "coder implementation and teaching problem" (Expand search), "coder implementation and cutting problem" (Expand search), "coder implementation and hatching problem" (Expand search), "coder implementation _ matching problem" (Expand search), "coder implementation and match 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 matching problem\") OR (\"python coding python python programming\"))~".
• Removing quotes may allow a broader search: (( coder implementation and matching problem ) OR ( python coding python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder implementation and matching problem") OR ("python coding python python programming"))*.