Perhaps you should try some spelling variations:
"coder coder his persistence problem" » "coder coder his persistence problems" (Expand search), "coder coder his persistente problema" (Expand search), "coder coder his resistance problem" (Expand search), "coder coder in persistence problem" (Expand search), "coder coder virus persistence problem" (Expand search), "coder coder habit persistence problem" (Expand search), "coder decoder his persistence problem" (Expand search), "code code his persistence problem" (Expand search), "decoder codec his persistence problem" (Expand search), "coder over his persistence problem" (Expand search), "coder under his persistence 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 his persistence problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder his persistence problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder his persistence problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder his persistence problem") OR ("api python python python programming"))*.