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