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