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 on python programming" » "_ python on python programming" (Expand search), "in python of python programming" (Expand search), "in python in python programming" (Expand search), "in python and python programming" (Expand search), "in python _ python programming" (Expand search), "in python monty 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 on python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sparse coding problems\") OR (\"in python on python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sparse coding problems ) OR ( in python on python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sparse coding problems") OR ("in python on python programming"))*.