Perhaps you should try some spelling variations:
"using computation in subsampling program" » "using computation in sampling program" (Expand search), "using computational in subsampling program" (Expand search), "using imputation in subsampling program" (Expand search), "using compilation in subsampling program" (Expand search), "using computation and subsampling program" (Expand search), "using computation of subsampling program" (Expand search), "using computation using subsampling program" (Expand search), "using computation the subsampling 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("using computation in subsampling program") OR ("using codes from python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computation in subsampling program\") OR (\"using codes from python programming\"))".
• Removing quotes may allow a broader search: (( using computation in subsampling program ) OR ( using codes from python programming )).
• Adding a wildcard symbol may retrieve word variants: (("using computation in subsampling program") OR ("using codes from python programming"))*.