Perhaps you should try some spelling variations:
"coder decoder precoder design program" » "coder encoder decoder design program" (Expand search), "coder decoder codec design program" (Expand search), "coder decoder precoding design program" (Expand search), "coder decoder precoder design problem" (Expand search), "encoder decoder precoder design 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 decoder precoder design program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder precoder design program\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder decoder precoder design program ) OR ( api python python python programming ))*.