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