Perhaps you should try some spelling variations:
"coder sparse coding using functional" » "coder sparse coding during functional" (Expand search), "coder sparse coding using fractional" (Expand search), "coder sparse coding using functionalized" (Expand search), "over sparse coding using functional" (Expand search), "under sparse coding using functional" (Expand search), "novel sparse coding using functional" (Expand search), "coder sparse modeling using functional" (Expand search), "coder sparse drying using functional" (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 sparse coding using functional") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder sparse coding using functional\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder sparse coding using functional ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder sparse coding using functional") OR ("_ python python python programming"))*.