Perhaps you should try some spelling variations:
"coder and sparse coding program" » "coder and sparse cloning program" (Expand search), "coder and sparse loading program" (Expand search), "coder and sparse cooling programs" (Expand search), "coder and space coding program" (Expand search), "code and sparse coding program" (Expand search), "codes and sparse coding program" (Expand search), "poder and sparse coding program" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ 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 and sparse coding program") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder and sparse coding program\") OR (\"_ python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder and sparse coding program ) OR ( _ python python python programming ))*.