Perhaps you should try some spelling variations:
"coder coder drop testing problem" » "coder coder drop nesting problem" (Expand search), "coder coder drop nesting problems" (Expand search), "coder coder drop teaching problem" (Expand search), "coder coder group testing problem" (Expand search), "coder coder drop casting problem" (Expand search), "coder coder loop testing problem" (Expand search), "coder decoder drop testing problem" (Expand search), "code code drop testing problem" (Expand search), "decoder codec drop testing problem" (Expand search), "coder under drop testing problem" (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 drop testing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder drop testing problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder drop testing problem ) OR ( api python python python programming ))*.