Perhaps you should try some spelling variations:
"using computation in complex program" » "using computational in complex program" (Expand search), "using imputation in complex program" (Expand search), "using compilation in complex program" (Expand search), "using computation in simplex program" (Expand search), "using computation in complex programmes" (Expand search), "using computation in complex prograded" (Expand search), "using computation and complex program" (Expand search), "using computation of complex program" (Expand search)
"using codes from python programming" » "using code from python programming" (Expand search), "using anodes from python programming" (Expand search), "using cone from python programming" (Expand search), "using codes from pathogen programming" (Expand search), "using codes from anthony programming" (Expand search), "using cestodes from 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: "((\"using computation in complex program\") OR (\"using codes from python programming\"))~".
• Removing quotes may allow a broader search: (( using computation in complex program ) OR ( using codes from python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computation in complex program") OR ("using codes from python programming"))*.