Perhaps you should try some spelling variations:
"advanced modulation of computer program" » "advanced calculation of computer program" (Expand search), "advanced oxidation of computer program" (Expand search)
"advanced simulation graph computation program" » "advanced calculation graph computation program" (Expand search), "advanced simulation graph computational program" (Expand search), "advanced simulation graph computational programs" (Expand search), "advanced simulation graph compensation program" (Expand search), "advanced simulation graphic computation program" (Expand search), "advanced simulation path computation program" (Expand search), "advanced simulation group computation program" (Expand search), "advanced simulation growth computation program" (Expand search), "advanced simulation game computation program" (Expand search), "advanced simulation brams computation 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 of computer program\") OR (\"advanced simulation graph computation program\"))~".
• Removing quotes may allow a broader search: (( advanced modulation of computer program ) OR ( advanced simulation graph computation program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced modulation of computer program") OR ("advanced simulation graph computation program"))*.