Perhaps you should try some spelling variations:
"advanced simulation from complex program" » "advanced calculation from complex program" (Expand search), "advanced simulation from simplex program" (Expand search), "advanced simulation from complex programmes" (Expand search), "advanced simulation from complex prograded" (Expand search)
"advanced modulation classes coding program" » "advanced calculation classes coding program" (Expand search), "advanced oxidation classes coding program" (Expand search), "advanced modulation losses coding program" (Expand search), "advanced education classes coding program" (Expand search), "advanced simulation classes coding program" (Expand search), "advanced modulation classes according program" (Expand search), "advanced modulation classes becoming program" (Expand search), "advanced modulation classes reading program" (Expand search), "advanced modulation classes cloning program" (Expand search), "advanced modulation classes loading program" (Expand search), "advanced modulation classes cooling programs" (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 classes coding program\") OR (\"advanced simulation from complex program\"))~".
• Removing quotes may allow a broader search: (( advanced modulation classes coding program ) OR ( advanced simulation from complex program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced modulation classes coding program") OR ("advanced simulation from complex program"))*.