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