Perhaps you should try some spelling variations:
"by computational _ precoder program" » "_ computational _ precoder program" (Expand search), "and computational _ precoder program" (Expand search), "by computational _ proder program" (Expand search), "by computational _ recovery program" (Expand search), "by computational _ precoce programa" (Expand search)
"using using python python programming" » "using using pythons python programming" (Expand search), "using using piton python programming" (Expand search), "using using pitons python programming" (Expand search), "using usando python python programming" (Expand search), "using in python python programming" (Expand search), "using fusing python python programming" (Expand search), "housing using python python programming" (Expand search), "nursing using 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: (("by computational _ precoder program") OR ("using using python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"by computational _ precoder program\") OR (\"using using python python programming\"))".
• Removing quotes may allow a broader search: (( by computational _ precoder program ) OR ( using using python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("by computational _ precoder program") OR ("using using python python programming"))*.