Perhaps you should try some spelling variations:
"code complexity data computation program" » "code complexity data computational program" (Expand search), "code complexity data computational programs" (Expand search), "code complexity data compensation program" (Expand search), "code complexity data imputation program" (Expand search), "code complexity data compilation program" (Expand search), "case complexity data computation program" (Expand search), "care complexity data computation program" (Expand search), "the complexity data computation program" (Expand search), "code complexity at computation program" (Expand search), "code complexity and computation program" (Expand search), "code complexity an computation program" (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: (("code complexity data computation program") OR ("using using python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"code complexity data computation program\") OR (\"using using python python programming\"))*".
• Removing quotes may allow a broader search: (( code complexity data computation program ) OR ( using using python python programming ))*.