Perhaps you should try some spelling variations:
"based computational and computer program" » "and computational and computer program" (Expand search), "by computational and computer program" (Expand search), "based computational fluid computer program" (Expand search), "based computational _ computer program" (Expand search)
"advanced oxidation by computing program" » "advanced oxidation by consulting program" (Expand search), "advanced oxidation by computador program" (Expand search), "advanced oxidation by computer programs" (Expand search), "advanced oxidation of computing program" (Expand search), "advanced oxidation in computing program" (Expand search), "advanced oxidation on computing program" (Expand search), "advanced oxidation by competing program" (Expand search), "advanced oxidation by composting program" (Expand search), "advanced oxidation toy computing program" (Expand search), "advances oxidation by 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: "((\"advanced oxidation by computing program\") OR (\"based computational and computer program\"))~".
• Removing quotes may allow a broader search: (( advanced oxidation by computing program ) OR ( based computational and computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced oxidation by computing program") OR ("based computational and computer program"))*.