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