Perhaps you should try some spelling variations:
"advanced computational and computer program" » "and computational and computer program" (Expand search), "based computational and computer program" (Expand search), "advanced computational fluid computer program" (Expand search), "advanced computational _ computer program" (Expand search)
"advanced modulation grid computer program" » "advanced calculation grid computer program" (Expand search), "advanced oxidation grid computer program" (Expand search), "advanced modulation rfid computer program" (Expand search), "advanced population grid computer program" (Expand search), "advanced modulation period computer program" (Expand search), "advanced modulation grids computer program" (Expand search), "advanced modulation grid computing program" (Expand search), "advanced modulation child computer 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 grid computer program\") OR (\"advanced computational and computer program\"))~".
• Removing quotes may allow a broader search: (( advanced modulation grid computer program ) OR ( advanced computational and computer program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced modulation grid computer program") OR ("advanced computational and computer program"))*.