Perhaps you should try some spelling variations:
"coder implementation on path problems" » "code implementation on path problems" (Expand search), "decoder implementation on path problems" (Expand search), "model implementation on path problems" (Expand search), "coder implementation of path problems" (Expand search), "coder implementation in path problems" (Expand search), "coder implementation and path problems" (Expand search), "coder implementation on path problem" (Expand search), "coder implementation on math problems" (Expand search), "coder implementation on with problems" (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder implementation on path problems") OR ("python coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder implementation on path problems\") OR (\"python coding python python programming\"))".
• Removing quotes may allow a broader search: (( coder implementation on path problems ) OR ( python coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder implementation on path problems") OR ("python coding python python programming"))*.