Perhaps you should try some spelling variations:
"based representation to precoder program" » "and representation to precoder program" (Expand search), "and representations to precoder program" (Expand search), "based representation the precoder program" (Expand search), "based representation _ precoder program" (Expand search), "based representation theory precoder program" (Expand search), "based representation to proder program" (Expand search), "based representation to recovery program" (Expand search), "based representation to precoce programa" (Expand search), "based representation to precedent program" (Expand search)
"using coding python python programming" » "using codigo python python programming" (Expand search), "using codigos python python programming" (Expand search), "using using python python programming" (Expand search), "using coding pythons python programming" (Expand search), "using coding piton python programming" (Expand search), "using coding pitons python programming" (Expand search), "using coping python python programming" (Expand search), "using coating python python programming" (Expand search), "using cooking 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 representation to precoder program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based representation to precoder program\") OR (\"using coding python python programming\"))".
• Removing quotes may allow a broader search: (( based representation to precoder program ) OR ( using coding python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("based representation to precoder program") OR ("using coding python python programming"))*.