Perhaps you should try some spelling variations:
"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)
"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)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced modulation in computer program\") OR (\"advanced simulation aided computer program\"))~".
• Removing quotes may allow a broader search: (( advanced modulation in computer program ) OR ( advanced simulation aided computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced modulation in computer program") OR ("advanced simulation aided computer program"))*.