Perhaps you should try some spelling variations:
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python python python programming" (Expand search)
"coder coding loop sparse coding" » "modern coding loop sparse coding" (Expand search), "color coding loop sparse coding" (Expand search), "odor coding loop sparse coding" (Expand search), "coder coding tools sparse coding" (Expand search), "coder coding loop space coding" (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 coding loop sparse coding") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding loop sparse coding\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coding loop sparse coding ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coding loop sparse coding") OR ("in python python python programming"))*.