Perhaps you should try some spelling variations:
"using computation of clustering program" » "using computation of clustering problem" (Expand search), "using computation of neutering program" (Expand search), "using computation of clustering problems" (Expand search), "using computational of clustering program" (Expand search), "using imputation of clustering program" (Expand search), "using compilation of clustering program" (Expand search), "using computation _ clustering program" (Expand search), "using computation and clustering program" (Expand search), "using computation of clusters program" (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: "((\"using computation of clustering program\") OR (\"using code from python programming\"))~".
• Removing quotes may allow a broader search: (( using computation of clustering program ) OR ( using code from python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computation of clustering program") OR ("using code from python programming"))*.