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