Perhaps you should try some spelling variations:
"of computation using clustering problem" » "of computation using covering problem" (Expand search), "of computations using clustering problem" (Expand search), "of computation in clustering problem" (Expand search), "of composition using clustering problem" (Expand search), "of computation and clustering problem" (Expand search), "of computation means clustering problem" (Expand search), "of computational using clustering problem" (Expand search), "the computation using clustering problem" (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: "((\"of computation using clustering problem\") OR (\"using code from python programming\"))~".
• Removing quotes may allow a broader search: (( of computation using clustering problem ) OR ( using code from python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("of computation using clustering problem") OR ("using code from python programming"))*.