Perhaps you should try some spelling variations:
internacional em » internacional para (Expand Search)
instituto de » institutos de (Expand Search)
em pesquisa » de pesquisa (Expand Search), a pesquisa (Expand Search), da pesquisa (Expand Search)
colaboracao » elaboracao (Expand Search)
astronomo- » astronomos- (Expand Search), astronomia- (Expand Search)
iac » inac (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: "instituto de colaboracao internacional em pesquisa astronomo- (iasc OR iac)~".
• Adding a wildcard symbol may retrieve word variants: instituto de colaboracao internacional em pesquisa astronomo- (iasc OR iac)*.