Perhaps you should try some spelling variations:
"coder coder sparse coding problems" » "coder coder sparse loading problems" (Expand search), "coder coder sparse counting problems" (Expand search), "coder coder sparse covering problems" (Expand search), "coder over sparse coding problems" (Expand search), "coder under sparse coding problems" (Expand search), "coder novel sparse coding problems" (Expand search), "coder decoder sparse coding problems" (Expand search), "code code sparse coding problems" (Expand search), "decoder codec sparse coding problems" (Expand search)
"in python pythons python programming" » "in python python python programming" (Expand search), "in piton python python programming" (Expand search), "in python pitons python programming" (Expand search), "in python piton python programming" (Expand search), "_ python pythons 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 sparse coding problems") OR ("in python pythons python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sparse coding problems\") OR (\"in python pythons python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder sparse coding problems ) OR ( in python pythons python programming ))*.