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 java computer program" » "advanced calculation java computer program" (Expand search), "advanced oxidation java computer program" (Expand search), "advanced modulation banda computer program" (Expand search), "advanced modulation and computer program" (Expand search), "advanced modulation at 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 java computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced simulation _ computador program\") OR (\"advanced modulation java computer program\"))".
• Removing quotes may allow a broader search: (( advanced simulation _ computador program ) OR ( advanced modulation java computer program )).
• Adding a wildcard symbol may retrieve word variants: (("advanced simulation _ computador program") OR ("advanced modulation java computer program"))*.