Perhaps you should try some spelling variations:
"based computational _ computation program" » "and computational _ computation program" (Expand search), "by computational _ computation program" (Expand search), "based computational _ computational program" (Expand search), "based computational _ computational programs" (Expand search), "based computational _ compensation program" (Expand search)
"advanced simulation code using program" » "advanced modulation code using program" (Expand search), "advanced calculation code using program" (Expand search), "advanced simulation model using program" (Expand search), "advanced simulation case using program" (Expand search), "advanced simulation models using program" (Expand search), "advanced simulation code housing program" (Expand search), "advanced simulation code nursing program" (Expand search), "advanced simulation code aging program" (Expand search), "advanced simulation made using program" (Expand search), "advanced simulation coding using 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 simulation code using program\") OR (\"based computational _ computation program\"))~".
• Removing quotes may allow a broader search: (( advanced simulation code using program ) OR ( based computational _ computation program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced simulation code using program") OR ("based computational _ computation program"))*.