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