Perhaps you should try some spelling variations:
"coder coder coverage control program" » "coder code coverage control program" (Expand search), "coder cancer coverage control program" (Expand search), "coder center coverage control program" (Expand search), "coder decoder coverage control program" (Expand search), "code code coverage control program" (Expand search), "decoder codec coverage control program" (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 coder coverage control program") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coverage control program\") OR (\"_ python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder coverage control program ) OR ( _ python python python programming ))*.