Perhaps you should try some spelling variations:
"advanced simulation basic computer program" » "advanced calculation basic computer program" (Expand search), "advanced stimulation basic computer program" (Expand search), "advanced simulation based computer program" (Expand search), "advanced simulations based computer program" (Expand search)
"advanced modulation in computer program" » "advanced calculation in computer program" (Expand search), "advanced oxidation in computer program" (Expand search), "advanced modulation of computer program" (Expand search), "advanced modulation _ computer program" (Expand search)

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• Performing a fuzzy search may retrieve terms with similar spellings: (("advanced simulation basic computer program") OR ("advanced modulation in computer program"))~.
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