Perhaps you should try some spelling variations:
"coder coder decoder prodi problems" » "coder coder decoder periodic problems" (Expand search), "coder encoder decoder prodi problems" (Expand search), "code code decoder prodi problems" (Expand search), "decoder codec decoder prodi problems" (Expand search), "codesc poder decoder prodi 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 decoder prodi problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder decoder prodi problems\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder decoder prodi problems ) OR ( api python python python programming ))*.