Perhaps you should try some spelling variations:
"coder coder teaching sample problem" » "coder coder teaching sampling problem" (Expand search), "coder coder teaching complex problem" (Expand search), "coder coder teaching style problem" (Expand search), "coder code teaching sample problem" (Expand search), "coder poder teaching sample problem" (Expand search), "coder model teaching sample problem" (Expand search), "coder coder teaching same problems" (Expand search), "coder decoder teaching sample problem" (Expand search), "code code teaching sample problem" (Expand search), "decoder codec teaching sample 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 sample problem\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder teaching sample problem ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder teaching sample problem") OR ("api python python python programming"))*.