Perhaps you should try some spelling variations:
"coder coder hierarchical gpu programming" » "coder lower hierarchical gpu programming" (Expand search), "coder over hierarchical gpu programming" (Expand search), "coder model hierarchical gpu programming" (Expand search), "coder coder hierarchical graph programming" (Expand search), "coder coder hierarchical grid programming" (Expand search), "coder coder hierarchical and programming" (Expand search), "coder coder hierarchical goal programming" (Expand search), "coder coder hierarchical _ programming" (Expand search), "coder decoder hierarchical gpu programming" (Expand search), "code code hierarchical gpu programming" (Expand search), "decoder codec hierarchical gpu 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 hierarchical gpu programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder hierarchical gpu programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder hierarchical gpu programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder hierarchical gpu programming") OR ("api python python python programming"))*.