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