Perhaps you should try some spelling variations:
"coder coder coverage machining process" » "coder coder coverage teaching process" (Expand search), "coder coder coverage training process" (Expand search), "coder code coverage machining process" (Expand search), "coder cancer coverage machining process" (Expand search), "coder center coverage machining process" (Expand search), "coder decoder coverage machining process" (Expand search), "code code coverage machining process" (Expand search), "decoder codec coverage machining process" (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 machining process") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder coverage machining process\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder coverage machining process ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder coverage machining process") OR ("api python python python programming"))*.