Perhaps you should try some spelling variations:
"code complexity in precoder program" » "code complexity in proder program" (Expand search), "code complexity in recovery program" (Expand search), "code complexity in precoce programa" (Expand search), "case complexity in precoder program" (Expand search), "care complexity in precoder program" (Expand search), "the complexity in precoder program" (Expand search), "code complexity and precoder program" (Expand search), "code complexity in premodern program" (Expand search), "code complexity to precoder program" (Expand search)
"using in python python programming" » "using in pythons python programming" (Expand search), "using in piton python programming" (Expand search), "using in pitons python programming" (Expand search), "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: (("code complexity in precoder program") OR ("using in python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code complexity in precoder program\") OR (\"using in python python programming\"))*".
• Removing quotes may allow a broader search: (( code complexity in precoder program ) OR ( using in python python programming ))*.