Perhaps you should try some spelling variations:
"code code using three coverage" » "code code using tree coverage" (Expand search), "code code using the coverage" (Expand search), "code code using care coverage" (Expand search), "code made using three coverage" (Expand search), "code coding using three coverage" (Expand search), "code cdc using three coverage" (Expand search)
"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)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("code code using three coverage") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code code using three coverage\") OR (\"in python python python programming\"))*".
• Removing quotes may allow a broader search: (( code code using three coverage ) OR ( in python python python programming ))*.