Perhaps you should try some spelling variations:
"advanced simulation and computer program" » "advanced modulation and computer program" (Expand search), "advanced calculation and computer program" (Expand search), "advanced simulation _ computer program" (Expand search)
"advanced validation by computador program" » "advanced oxidation by computador program" (Expand search), "advanced glication by computador program" (Expand search), "advanced visualization by computador program" (Expand search), "advanced validation by computador programas" (Expand search), "advanced validation by computador programacao" (Expand search), "advanced validation by computador protecao" (Expand search), "advanced validation of computador program" (Expand search), "advanced validation _ computador program" (Expand search), "advanced validation in computador program" (Expand search), "advanced validation pi computador program" (Expand search), "advanced validation pt computador 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 validation by computador program") OR ("advanced simulation and computer program"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"advanced validation by computador program\") OR (\"advanced simulation and computer program\"))".
• Removing quotes may allow a broader search: (( advanced validation by computador program ) OR ( advanced simulation and computer program )).
• Adding a wildcard symbol may retrieve word variants: (("advanced validation by computador program") OR ("advanced simulation and computer program"))*.