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 problem coding program" » "advanced calculation problem coding program" (Expand search), "advanced simulation problems coding program" (Expand search), "advanced situation problem coding program" (Expand search), "advanced formulation problem coding program" (Expand search), "advanced simulation problem posing program" (Expand search), "advanced simulation problem modeling program" (Expand search), "advanced simulation problem solving program" (Expand search), "advanced simulation problem cloning program" (Expand search), "advanced simulation problem loading program" (Expand search), "advanced simulation problem cooling programs" (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 simulation problem coding program\") OR (\"advanced modulation in computer program\"))~".
• Removing quotes may allow a broader search: (( advanced simulation problem coding program ) OR ( advanced modulation in computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced simulation problem coding program") OR ("advanced modulation in computer program"))*.