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