Perhaps you should try some spelling variations:
"and computation in constraint programming" » "and computational in constraint programming" (Expand search), "of computation in constraint programming" (Expand search), "and computation and constraint programming" (Expand search), "and computation of constraint programming" (Expand search), "and imputation in constraint programming" (Expand search), "and computation in constrained programming" (Expand search), "and computation _ constraint 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computation in constraint programming\") OR (\"using code from python programming\"))~".
• Removing quotes may allow a broader search: (( and computation in constraint programming ) OR ( using code from python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computation in constraint programming") OR ("using code from python programming"))*.