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 from computador program" » "advanced calculation from computador program" (Expand search), "advanced oxidation from computador program" (Expand search), "advanced modulation from computador programas" (Expand search), "advanced modulation from computador programacao" (Expand search), "advanced modulation from computador protecao" (Expand search), "advanced modulation of computador program" (Expand search), "advanced modulation on computador program" (Expand search), "advanced modulation pwm computador program" (Expand search), "advanced modulation from computer program" (Expand search), "advanced modulation from computed program" (Expand search), "advanced modulation arte computador 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 and computer program\") OR (\"advanced modulation from computador program\"))~".
• Removing quotes may allow a broader search: (( advanced simulation and computer program ) OR ( advanced modulation from computador program ))~.
• Adding a wildcard symbol may retrieve word variants: (("advanced simulation and computer program") OR ("advanced modulation from computador program"))*.