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 or computing program" » "advanced calculation or computing program" (Expand search), "advanced oxidation or computing program" (Expand search), "advanced modulation or consulting program" (Expand search), "advanced modulation or computador program" (Expand search), "advanced modulation or computer programs" (Expand search), "advanced modulation of computing program" (Expand search), "advanced modulation on computing program" (Expand search), "advanced modulation og computing program" (Expand search), "advanced modulation or competing 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 or computing program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced simulation and computer program\") OR (\"advanced modulation or computing program\"))".
• Removing quotes may allow a broader search: (( advanced simulation and computer program ) OR ( advanced modulation or computing program )).
• Adding a wildcard symbol may retrieve word variants: (("advanced simulation and computer program") OR ("advanced modulation or computing program"))*.