Perhaps you should try some spelling variations:
"advanced simulation _ computador program" » "advanced calculation _ computador program" (Expand search), "advanced simulation _ computador programas" (Expand search), "advanced simulation _ computador programacao" (Expand search), "advanced simulation _ computador protecao" (Expand search)
"advanced modulation code computer program" » "advanced calculation code computer program" (Expand search), "advanced oxidation code computer program" (Expand search), "advanced modulation codes computer program" (Expand search), "advanced modulation model computer program" (Expand search), "advanced modulation doped computer program" (Expand search), "advanced modulation node computer program" (Expand search), "advanced modulation one computer program" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("advanced simulation _ computador program") OR ("advanced modulation code computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced simulation _ computador program\") OR (\"advanced modulation code computer program\"))".
• Removing quotes may allow a broader search: (( advanced simulation _ computador program ) OR ( advanced modulation code computer program )).
• Adding a wildcard symbol may retrieve word variants: (("advanced simulation _ computador program") OR ("advanced modulation code computer program"))*.