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