Perhaps you should try some spelling variations:
"advanced circulating in computer program" » "advanced circulatory in computer program" (Expand search), "advanced calculation in computer program" (Expand search), "balance circulating in computer program" (Expand search), "advanced circulating _ computer program" (Expand search)
"advanced simulation and computation program" » "advanced modulation and computation program" (Expand search), "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 circulating in computer program") OR ("advanced simulation and computation program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced circulating in computer program\") OR (\"advanced simulation and computation program\"))".
• Removing quotes may allow a broader search: (( advanced circulating in computer program ) OR ( advanced simulation and computation program )).
• Adding a wildcard symbol may retrieve word variants: (("advanced circulating in computer program") OR ("advanced simulation and computation program"))*.