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