Perhaps you should try some spelling variations:
"coder coder mode optimization problems" » "coder coder model optimization problems" (Expand search), "coder coder code optimization problems" (Expand search), "coder coder modern optimization problems" (Expand search), "coder decoder mode optimization problems" (Expand search), "code code mode optimization problems" (Expand search), "decoder codec mode optimization problems" (Expand search), "coder under mode optimization problems" (Expand search), "coder order mode optimization problems" (Expand search), "coder code code optimization problems" (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 coder mode optimization problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder mode optimization problems\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder mode optimization problems ) OR ( api python python python programming ))*.