Perhaps you should try some spelling variations:
"coder coder teaching control problem" » "coder coder teaching context problem" (Expand search), "coder coder teaching content problem" (Expand search), "coder coder latching control problem" (Expand search), "coder coder teaching control problems" (Expand search), "coder coder teaching control program" (Expand search), "coder code teaching control problem" (Expand search), "coder poder teaching control problem" (Expand search), "coder model teaching control problem" (Expand search), "coder decoder teaching control problem" (Expand search), "code code teaching control problem" (Expand search), "decoder codec teaching control 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder teaching control problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder teaching control problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder teaching control problem") OR ("api python python python programming"))*.