Perhaps you should try some spelling variations:
"coder representation du coding problem" » "modern representation du coding problem" (Expand search), "border representation du coding problem" (Expand search), "under representation du coding problem" (Expand search), "coder representation _ coding problem" (Expand search), "coder representation and coding problem" (Expand search), "coder representation du coding problems" (Expand search), "coder representation du coping problem" (Expand search), "coder representation du loading problem" (Expand search)
"python coding python python programming" » "python codigo python python programming" (Expand search), "action coding python python programming" (Expand search), "python code 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 representation du coding problem") OR ("python coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder representation du coding problem\") OR (\"python coding python python programming\"))".
• Removing quotes may allow a broader search: (( coder representation du coding problem ) OR ( python coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder representation du coding problem") OR ("python coding python python programming"))*.