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