Perhaps you should try some spelling variations:
"advanced simulation _ computer program" » "advanced modulation _ computer program" (Expand search), "advanced calculation _ computer program" (Expand search)
"advanced simulation based computer program" » "advanced modulation based computer program" (Expand search), "advanced calculation based computer program" (Expand search), "advanced population based computer program" (Expand search), "advanced simulation and computer program" (Expand search), "advanced simulation based computing program" (Expand search), "advanced simulation board computer program" (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: (("advanced simulation _ computer program") OR ("advanced simulation based computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced simulation _ computer program\") OR (\"advanced simulation based computer program\"))".
• Removing quotes may allow a broader search: (( advanced simulation _ computer program ) OR ( advanced simulation based computer program )).
• Adding a wildcard symbol may retrieve word variants: (("advanced simulation _ computer program") OR ("advanced simulation based computer program"))*.