Perhaps you should try some spelling variations:
"using computational and computing program" » "and computational and computing program" (Expand search), "using computational fluid computing program" (Expand search), "using computational and consulting program" (Expand search), "using computational and computer program" (Expand search), "using computational and computador program" (Expand search), "using computational grid computing program" (Expand search), "using computational fog computing program" (Expand search)
"dft calculations of computing program" » "dft calculations of consulting program" (Expand search), "dft calculations of computer program" (Expand search), "dft calculations of computador program" (Expand search), "dft calculation of computing program" (Expand search), "dft calculations fog computing program" (Expand search), "dft calculations _ computing program" (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 computational and computing program") OR ("dft calculations of computing program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using computational and computing program\") OR (\"dft calculations of computing program\"))".
• Removing quotes may allow a broader search: (( using computational and computing program ) OR ( dft calculations of computing program )).
• Adding a wildcard symbol may retrieve word variants: (("using computational and computing program") OR ("dft calculations of computing program"))*.