Perhaps you should try some spelling variations:
"code coverage about teaching programming" » "code coverage about teaching program" (Expand search), "code coverage among teaching programming" (Expand search), "code coverage art teaching programming" (Expand search), "care coverage about teaching programming" (Expand search), "and coverage about teaching programming" (Expand search), "the coverage about teaching programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search), "manim python 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: (("code coverage about teaching programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code coverage about teaching programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( code coverage about teaching programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("code coverage about teaching programming") OR ("api python python python programming"))*.