Perhaps you should try some spelling variations:
"coder coder coverage control unit" » "coder code coverage control unit" (Expand search), "coder cancer coverage control unit" (Expand search), "coder center coverage control unit" (Expand search), "coder coder coverage control using" (Expand search), "coder decoder coverage control unit" (Expand search), "code code coverage control unit" (Expand search), "decoder codec coverage control unit" (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)

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 unit") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coverage control unit\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder coverage control unit ) OR ( api python python python programming ))*.