Perhaps you should try some spelling variations:
"coder coding _ multithread programming" » "coder coding _ multithreaded programming" (Expand search), "coder coding _ multicore programming" (Expand search), "coder coding _ multiple programming" (Expand search), "modern coding _ multithread programming" (Expand search), "color coding _ multithread programming" (Expand search), "odor coding _ multithread 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 _ multithread programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding _ multithread programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding _ multithread programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding _ multithread programming") OR ("api python python python programming"))*.