Perhaps you should try some spelling variations:
"based implementation in precoder program" » "and implementation in precoder program" (Expand search), "based implementation and precoder program" (Expand search), "based implementation of precoder program" (Expand search), "based implementation in proder program" (Expand search), "based implementation in recovery program" (Expand search), "based implementation in precoce programa" (Expand search), "based implementation in premodern program" (Expand search), "based implementation to precoder 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("based implementation in precoder program") OR ("using codigo python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based implementation in precoder program\") OR (\"using codigo python python programming\"))*".
• Removing quotes may allow a broader search: (( based implementation in precoder program ) OR ( using codigo python python programming ))*.