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 wam parallel programming" » "coder coder arm parallel programming" (Expand search), "coder coder cgm parallel programming" (Expand search), "coder coder gap parallel programming" (Expand search), "coder decoder wam parallel programming" (Expand search), "code code wam parallel programming" (Expand search), "decoder codec wam 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 wam parallel programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder wam parallel programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder wam parallel programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder wam parallel programming") OR ("api python python python programming"))*.