Perhaps you should try some spelling variations:
"advanced simulation from complex program" » "advanced modulation from complex program" (Expand search), "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 encryption and coding program" » "advanced encryption in coding program" (Expand search), "advanced description and coding program" (Expand search), "advanced exception and coding program" (Expand search), "advanced encryption and cloning program" (Expand search), "advanced encryption and loading program" (Expand search), "advanced encryption and cooling programs" (Expand search), "advanced encryption and coping program" (Expand search), "advanced encryption and cooling program" (Expand search), "advanced encryption and cooking program" (Expand search)

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced encryption and coding program\") OR (\"advanced simulation from complex program\"))~".
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