Perhaps you should try some spelling variations:
"and computational coder decoder program" » "and computational code decoder program" (Expand search), "and computational codes decoder program" (Expand search), "and computational model decoder program" (Expand search), "_ computational coder decoder program" (Expand search), "and computational coder decade program" (Expand search), "and computational coder decide program" (Expand search), "and computational coder leader program" (Expand search), "and computational encoder decoder program" (Expand search)
"single level python python programming" » "single level pythons python programming" (Expand search), "single level piton python programming" (Expand search), "single level pitons python programming" (Expand search), "single leg python python programming" (Expand search), "single event python python programming" (Expand search), "single layer python python programming" (Expand search), "single lines 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: (("and computational coder decoder program") OR ("single level python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computational coder decoder program\") OR (\"single level python python programming\"))".
• Removing quotes may allow a broader search: (( and computational coder decoder program ) OR ( single level python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("and computational coder decoder program") OR ("single level python python programming"))*.