Perhaps you should try some spelling variations:
"coder coder persistent and problem" » "coder more persistent and problem" (Expand search), "coder or persistent and problem" (Expand search), "coder novel persistent and problem" (Expand search), "coder coder persistence and problem" (Expand search), "coder decoder persistent and problem" (Expand search), "code code persistent and problem" (Expand search), "decoder codec persistent and 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 persistent and problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder persistent and problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder persistent and problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder persistent and problem") OR ("api python python python programming"))*.