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