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 multi computation program" » "advanced calculation multi computation program" (Expand search), "advanced simulation multi computational program" (Expand search), "advanced simulation multi computational programs" (Expand search), "advanced simulation multi compensation program" (Expand search), "advanced simulation multitask computation program" (Expand search), "advanced simulation mental computation program" (Expand search), "advanced simulation margin computation program" (Expand search), "advanced simulacao multi computation program" (Expand search), "advanced simulation monte computation program" (Expand search), "advanced simulador multi 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 in computer program\") OR (\"advanced simulation multi computation program\"))~".
• Removing quotes may allow a broader search: (( advanced modulation in computer program ) OR ( advanced simulation multi computation program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced modulation in computer program") OR ("advanced simulation multi computation program"))*.