Perhaps you should try some spelling variations:
"coder coder teaching knowledge problems" » "coder coder teaching knowledge problem" (Expand search), "coder coder teaching knowledges problem" (Expand search), "coder coder teaching knowledge process" (Expand search), "coder code teaching knowledge problems" (Expand search), "coder poder teaching knowledge problems" (Expand search), "coder model teaching knowledge problems" (Expand search), "coder decoder teaching knowledge problems" (Expand search), "code code teaching knowledge problems" (Expand search), "decoder codec teaching knowledge 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 teaching knowledge problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder teaching knowledge problems\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder teaching knowledge problems ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder teaching knowledge problems") OR ("api python python python programming"))*.