Perhaps you should try some spelling variations:
"coder coder primer testing problem" » "coder coder primer nesting problem" (Expand search), "coder coder primer nesting problems" (Expand search), "coder coder primer teaching problem" (Expand search), "coder coder driver testing problem" (Expand search), "coder coder prior testing problem" (Expand search), "coder coded primary testing problem" (Expand search), "coder del primer testing problem" (Expand search), "coder after primer testing problem" (Expand search), "coder decoder primer testing problem" (Expand search), "code code primer testing problem" (Expand search), "decoder codec primer 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 primer testing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder primer testing problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder primer testing problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder primer testing problem") OR ("api python python python programming"))*.