Perhaps you should try some spelling variations:
"advanced simulation and computer program" » "advanced calculation and computer program" (Expand search), "advanced simulation _ computer program" (Expand search)
"advanced modulation rfid computer program" » "advanced calculation rfid computer program" (Expand search), "advanced oxidation rfid computer program" (Expand search), "advanced modulation radio computer program" (Expand search), "advanced modulation of computer program" (Expand search), "advanced modulation in computer program" (Expand search), "advanced modulation cfd computer program" (Expand search), "advanced modulation child computer program" (Expand search), "advanced modulation squid 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 and computer program") OR ("advanced modulation rfid computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced simulation and computer program\") OR (\"advanced modulation rfid computer program\"))*".
• Removing quotes may allow a broader search: (( advanced simulation and computer program ) OR ( advanced modulation rfid computer program ))*.