Perhaps you should try some spelling variations:
"advanced calculation in computer program" » "advanced glycation in computer program" (Expand search), "advanced calculation of computer program" (Expand search), "advanced calculation _ computer program" (Expand search), "advanced calculations and computer program" (Expand search)
"advanced simulation grid computer program" » "advanced modulation grid computer program" (Expand search), "advanced simulation hybrid computer program" (Expand search), "advanced simulation guided computer program" (Expand search), "advanced simulation and computer program" (Expand search), "advanced simulation grids computer program" (Expand search), "advanced simulation grid computing program" (Expand search), "advanced simulation child computer 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 grid computer program") OR ("advanced calculation in computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced simulation grid computer program\") OR (\"advanced calculation in computer program\"))*".
• Removing quotes may allow a broader search: (( advanced simulation grid computer program ) OR ( advanced calculation in computer program ))*.