Perhaps you should try some spelling variations:
"and communications coder decoder program" » "and communications over decoder program" (Expand search), "and communications under decoder program" (Expand search), "and communications model decoder program" (Expand search), "and communication coder decoder program" (Expand search), "and communications coder decade program" (Expand search), "and communications coder decide program" (Expand search), "and communications coder leader program" (Expand search), "and communications encoder decoder program" (Expand search)
"using visual python python programming" » "using via python python programming" (Expand search), "using visual path python programming" (Expand search), "using visual pythons python programming" (Expand search), "using visual piton python programming" (Expand search), "using visual pitons python programming" (Expand search), "using virtual python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and communications coder decoder program\") OR (\"using visual python python programming\"))~".
• Removing quotes may allow a broader search: (( and communications coder decoder program ) OR ( using visual python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and communications coder decoder program") OR ("using visual python python programming"))*.