Perhaps you should try some spelling variations:
"coder decoder encoder based program" » "coder decoder codec based program" (Expand search), "encoder decoder encoder based program" (Expand search), "coder decoder encoding based program" (Expand search), "coder decoder recorder based program" (Expand search), "coder decoder gender 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 decoder encoder based program") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder encoder based program\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder encoder based program ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder encoder based program") OR ("api python python python programming"))*.