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 _ computing program" » "advanced calculation _ computing program" (Expand search), "advanced oxidation _ computing program" (Expand search), "advanced modulation _ consulting program" (Expand search), "advanced modulation _ computador program" (Expand search), "advanced modulation _ computer programs" (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 computational and computer program") OR ("advanced modulation _ computing program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced computational and computer program\") OR (\"advanced modulation _ computing program\"))*".
• Removing quotes may allow a broader search: (( advanced computational and computer program ) OR ( advanced modulation _ computing program ))*.