Perhaps you should try some spelling variations:
"coder coding and teaching problems" » "coder coding and teaching problem" (Expand search), "coder coding and teaching process" (Expand search), "coder coding and packing problems" (Expand search), "modern coding and teaching problems" (Expand search), "color coding and teaching problems" (Expand search), "odor coding and teaching problems" (Expand search), "coder coding rna teaching 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 coding and teaching problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding and teaching problems\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding and teaching problems ) OR ( api python python python programming ))*.