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