Perhaps you should try some spelling variations:
"_ computations using subsampling program" » "_ computations using sampling program" (Expand search), "_ computation using subsampling program" (Expand search), "_ populations using subsampling program" (Expand search), "_ computations in subsampling program" (Expand search), "_ computations and subsampling program" (Expand search)
"using tools python python programming" » "using tools pythons python programming" (Expand search), "using tools piton python programming" (Expand search), "using tools pitons python programming" (Expand search), "using tool python python programming" (Expand search), "using tools person python programming" (Expand search), "cutting tools python python programming" (Expand search), "testing tools python python programming" (Expand search), "mining tools python 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: (("_ computations using subsampling program") OR ("using tools python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"_ computations using subsampling program\") OR (\"using tools python python programming\"))".
• Removing quotes may allow a broader search: (( _ computations using subsampling program ) OR ( using tools python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("_ computations using subsampling program") OR ("using tools python python programming"))*.