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