Perhaps you should try some spelling variations:
"coder coder model based problems" » "coder coder model posed problems" (Expand search), "coder coder model based probes" (Expand search), "coder coder model basic problems" (Expand search), "coder decoder model based problems" (Expand search), "code code model based problems" (Expand search), "decoder codec model based problems" (Expand search), "coder cover model based problems" (Expand search), "coder copper model based problems" (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 model based problems") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder model based problems\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder model based problems ) OR ( api python python python programming ))*.