Perhaps you should try some spelling variations:
"sampling representation in precoder program" » "healing representation in precoder program" (Expand search), "sampling preservation in precoder program" (Expand search), "aging representation in precoder program" (Expand search), "sampling representation in proder program" (Expand search), "sampling representation in recovery program" (Expand search), "sampling representation in precoce programa" (Expand search), "sampling representation in premodern program" (Expand search), "sampling representation and precoder program" (Expand search), "sampling representation to precoder 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: (("sampling representation in precoder program") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"sampling representation in precoder program\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( sampling representation in precoder program ) OR ( using coding python python programming ))*.