Perhaps you should try some spelling variations:
"using computing using declarative programming" » "using computing mining declarative programming" (Expand search), "using computing in declarative programming" (Expand search), "using computing engine declarative programming" (Expand search), "using competing using declarative programming" (Expand search), "mining computing using declarative programming" (Expand search), "using conducting using declarative programming" (Expand search), "using computing ufcg declarative programming" (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: (("using computing using declarative programming") OR ("using coding python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computing using declarative programming\") OR (\"using coding python python programming\"))*".
• Removing quotes may allow a broader search: (( using computing using declarative programming ) OR ( using coding python python programming ))*.