Perhaps you should try some spelling variations:
"based implementation and precoder program" » "and implementation and precoder program" (Expand search), "based implementation of precoder program" (Expand search), "based implementation and proder program" (Expand search), "based implementation and recovery program" (Expand search), "based implementation and precoce programa" (Expand search), "based implementation and precore program" (Expand search), "based implementation and decoder program" (Expand search), "based implementation and precede program" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium 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: "((\"based implementation and precoder program\") OR (\"using codigo python python programming\"))~".
• Removing quotes may allow a broader search: (( based implementation and precoder program ) OR ( using codigo python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("based implementation and precoder program") OR ("using codigo python python programming"))*.