Perhaps you should try some spelling variations:
"coder coding by multithreaded programming" » "coder coding _ multithreaded programming" (Expand search), "coder coding of multithreaded programming" (Expand search), "coder coding abas multithreaded programming" (Expand search), "modern coding by multithreaded programming" (Expand search), "color coding by multithreaded programming" (Expand search), "odor coding by multithreaded programming" (Expand search), "coder loading by multithreaded 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)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coding by multithreaded programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding by multithreaded programming\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding by multithreaded programming ) OR ( api python python python programming ))*.