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