Perhaps you should try some spelling variations:
"based computational code computing program" » "and computational code computing program" (Expand search), "by computational code computing program" (Expand search), "based computational model computing program" (Expand search), "based computational cost computing program" (Expand search), "based computational models computing program" (Expand search), "based computational code consulting program" (Expand search), "based computational code computer program" (Expand search), "based computational code computador program" (Expand search), "based computational modern computing program" (Expand search)
"advanced oxidation with computing program" » "advanced oxidation with consulting program" (Expand search), "advanced oxidation with computer program" (Expand search), "advanced oxidation with computador program" (Expand search), "advanced validation with computing program" (Expand search), "advanced oxidation in computing program" (Expand search), "advanced oxidation with competing program" (Expand search), "advanced oxidation with commuting program" (Expand search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"based computational code computing program\") OR (\"advanced oxidation with computing program\"))~".
• Removing quotes may allow a broader search: (( based computational code computing program ) OR ( advanced oxidation with computing program ))~.
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