Perhaps you should try some spelling variations:
"using computational data matching program" » "and computational data matching program" (Expand search), "using computational and matching program" (Expand search), "using compositional data matching program" (Expand search), "using computational art matching program" (Expand search), "using computational data teaching program" (Expand search), "using computational data matching problem" (Expand search), "using computational data meshing program" (Expand search), "using computational data machine program" (Expand search), "using computational map matching program" (Expand search)
"using depositional data coding program" » "using positional data coding program" (Expand search), "using compositional data coding program" (Expand search), "marine depositional data coding program" (Expand search), "using depositional age coding program" (Expand search), "using depositional data cloning program" (Expand search), "using depositional data loading program" (Expand search), "using depositional data cooling programs" (Expand search), "using depositional data recording program" (Expand search), "using depositional data crossing program" (Expand search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"using depositional data coding program\") OR (\"using computational data matching program\"))~".
• Removing quotes may allow a broader search: (( using depositional data coding program ) OR ( using computational data matching program ))~.
• Adding a wildcard symbol may retrieve word variants: (("using depositional data coding program") OR ("using computational data matching program"))*.