Perhaps you should try some spelling variations:
"coder coder model specification problem" » "coder coder model identification problem" (Expand search), "coder coder model specification proprety" (Expand search), "coder coder model specification from" (Expand search), "coder coder model verification problem" (Expand search), "coder coder formal specification problem" (Expand search), "coder decoder model specification problem" (Expand search), "code code model specification problem" (Expand search), "decoder codec model specification problem" (Expand search), "coder cover model specification problem" (Expand search), "coder copper model specification 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 model specification problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder model specification problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder model specification problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder model specification problem") OR ("api python python python programming"))*.