Perhaps you should try some spelling variations:
"advanced modulation via computer program" » "advanced calculation via computer program" (Expand search), "advanced oxidation via computer program" (Expand search), "advanced modulation in computer program" (Expand search), "advanced modulation of computer program" (Expand search), "advanced modulation and computer program" (Expand search), "advanced modulation via computador program" (Expand search), "advanced modulation media computer program" (Expand search), "advanced modulation java computer program" (Expand search)
"advanced simulation and computation program" » "advanced calculation and computation program" (Expand search), "advanced simulation and computational program" (Expand search), "advanced simulation and computational programs" (Expand search), "advanced simulation and compensation program" (Expand search), "advanced simulation of computation 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 modulation via computer program") OR ("advanced simulation and computation program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced modulation via computer program\") OR (\"advanced simulation and computation program\"))".
• Removing quotes may allow a broader search: (( advanced modulation via computer program ) OR ( advanced simulation and computation program )).
• Adding a wildcard symbol may retrieve word variants: (("advanced modulation via computer program") OR ("advanced simulation and computation program"))*.