Perhaps you should try some spelling variations:
"coder computational sparse coding problem" » "coder computational parser coding problem" (Expand search), "coder computation sparse coding problem" (Expand search), "coder computational search coding problem" (Expand search), "code computational sparse coding problem" (Expand search), "poder computacional sparse coding problem" (Expand search), "model computational sparse coding problem" (Expand search), "coder computational sparse coding problems" (Expand search), "coder computational sparse coping problem" (Expand search), "coder computational sparse loading problem" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python 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 computational sparse coding problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder computational sparse coding problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder computational sparse coding problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder computational sparse coding problem") OR ("api python python python programming"))*.