Perhaps you should try some spelling variations:
"coder coder testing unit problem" » "coder model testing unit problem" (Expand search), "coder mode testing unit problem" (Expand search), "coder cancer testing unit problem" (Expand search), "coder coder heating unit problem" (Expand search), "coder coder testing bit problem" (Expand search), "coder coder testing finite problem" (Expand search), "coder decoder testing unit problem" (Expand search), "code code testing unit problem" (Expand search), "decoder codec testing unit 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 testing unit problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder testing unit problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder testing unit problem ) OR ( api python python python programming ))*.