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