Perhaps you should try some spelling variations:
"using computational or computing program" » "and computational or computing program" (Expand search), "using computational or consulting program" (Expand search), "using computational or computer program" (Expand search), "using computational or computador program" (Expand search), "using computational art computing program" (Expand search), "using computational one computing program" (Expand search), "using computational _ computing program" (Expand search), "using computational of computing program" (Expand search), "using computational on computing program" (Expand search), "using computational or competing program" (Expand search)
"advanced oxidation and computing program" » "advanced oxidation and consulting program" (Expand search), "advanced oxidation and computer program" (Expand search), "advanced oxidation and computador program" (Expand search), "advanced oxidation grid computing program" (Expand search), "advanced oxidation fog computing program" (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: "((\"using computational or computing program\") OR (\"advanced oxidation and computing program\"))~".
• Removing quotes may allow a broader search: (( using computational or computing program ) OR ( advanced oxidation and computing program ))~.
• Adding a wildcard symbol may retrieve word variants: (("using computational or computing program") OR ("advanced oxidation and computing program"))*.