Perhaps you should try some spelling variations:
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python python python programming" (Expand search)
"coder over sampling in coverage" » "coder water sampling in coverage" (Expand search), "coder under sampling in coverage" (Expand search), "coder oversampling _ in coverage" (Expand search), "coder over sampling and coverage" (Expand search), "coder over sampling _ coverage" (Expand search), "codes over sampling in coverage" (Expand search), "cover over sampling in coverage" (Expand search), "power over sampling in coverage" (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 over sampling in coverage\") OR (\"in python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder over sampling in coverage ) OR ( in python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder over sampling in coverage") OR ("in python python python programming"))*.