Perhaps you should try some spelling variations:
"coder implementation in poling problem" » "code implementation in poling problem" (Expand search), "decoder implementation in poling problem" (Expand search), "model implementation in poling problem" (Expand search), "coder implementation and poling problem" (Expand search), "coder implementation of poling problem" (Expand search), "coder implementation in posing problem" (Expand search), "coder implementation in folding problem" (Expand search), "coder implementation in solving problem" (Expand search), "coder implementation in polling problem" (Expand search), "coder implementation in policing problem" (Expand search), "coder implementation in pouting problem" (Expand search)
"python coding _ python programming" » "action coding _ python programming" (Expand search), "python code _ 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 in poling problem") OR ("python coding _ python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder implementation in poling problem\") OR (\"python coding _ python programming\"))".
• Removing quotes may allow a broader search: (( coder implementation in poling problem ) OR ( python coding _ python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder implementation in poling problem") OR ("python coding _ python programming"))*.