Perhaps you should try some spelling variations:
"using computation using declarative programming" » "using computation using reactive programming" (Expand search), "using computational using declarative programming" (Expand search), "using imputation using declarative programming" (Expand search), "using compilation using declarative programming" (Expand search), "using computations using declarative programming" (Expand search), "using computation in declarative programming" (Expand search), "using composition using declarative programming" (Expand search), "using computation mining declarative programming" (Expand search), "using computation engine declarative programming" (Expand search)
"using code from python programming" » "using code from pathogen programming" (Expand search), "using code from anthony programming" (Expand search), "using cone from python programming" (Expand search), "using co from python programming" (Expand search), "using co2 from python programming" (Expand search), "using code form 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 computation using declarative programming") OR ("using code from python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computation using declarative programming\") OR (\"using code from python programming\"))".
• Removing quotes may allow a broader search: (( using computation using declarative programming ) OR ( using code from python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using computation using declarative programming") OR ("using code from python programming"))*.