Perhaps you should try some spelling variations:
"coder code coverage of programming" » "coder care coverage of programming" (Expand search), "coder and coverage of programming" (Expand search), "coder the coverage of programming" (Expand search), "code code coverage of programming" (Expand search), "modern code coverage of programming" (Expand search), "color code coverage of programming" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons python 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 code coverage of programming") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder code coverage of programming\") OR (\"_ python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder code coverage of programming ) OR ( _ python python python programming ))*.