Perhaps you should try some spelling variations:
"coder coder structure multithreaded programming" » "coder cover structure multithreaded programming" (Expand search), "coder cover structures multithreaded programming" (Expand search), "coder model structure multithreaded programming" (Expand search), "coder decoder structure multithreaded programming" (Expand search), "code code structure multithreaded programming" (Expand search), "decoder codec structure multithreaded programming" (Expand search), "coder coder structure multithreading 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)

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 structure multithreaded programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder structure multithreaded programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder structure multithreaded programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder structure multithreaded programming") OR ("api python python python programming"))*.