Perhaps you should try some spelling variations:
"advanced simulation and computer program" » "advanced calculation and computer program" (Expand search), "advanced simulation _ computer program" (Expand search)
"advanced modulation based computador program" » "advanced calculation based computador program" (Expand search), "advanced oxidation based computador program" (Expand search), "advanced modulation based computador programas" (Expand search), "advanced modulation based computador programacao" (Expand search), "advanced modulation based computador protecao" (Expand search), "advanced population based computador program" (Expand search), "advanced modulator based computador program" (Expand search), "advanced formulation based computador program" (Expand search), "advanced modulation based computation program" (Expand search), "advanced modulation based computer program" (Expand search), "advanced modulation tablet computador program" (Expand search)

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