Perhaps you should try some spelling variations:
"and computation using sampling program" » "and computations using sampling program" (Expand search), "and computation in sampling program" (Expand search), "and composition using sampling program" (Expand search), "and computation using labeling program" (Expand search), "and computation using smoking program" (Expand search), "and computation using jumping program" (Expand search), "and computational using sampling program" (Expand search), "of computation using sampling program" (Expand search), "and computation using subsampling program" (Expand search), "and computation using saline program" (Expand search), "and computation using samples program" (Expand search)
"using mcnp python python programming" » "using mcnp pythons python programming" (Expand search), "using mcnp piton python programming" (Expand search), "using mcnp pitons python programming" (Expand search), "using msn python python programming" (Expand search), "using monty python python programming" (Expand search), "using manim python python programming" (Expand search), "using mcnp5 python python programming" (Expand search), "using icnp python python programming" (Expand search), "using map python 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: "((\"and computation using sampling program\") OR (\"using mcnp python python programming\"))~".
• Removing quotes may allow a broader search: (( and computation using sampling program ) OR ( using mcnp python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("and computation using sampling program") OR ("using mcnp python python programming"))*.