Perhaps you should try some spelling variations:
carlos nojek » carlos nunez (Expand Search), carlos nunes (Expand Search), carlos nejar (Expand Search)
composto de » compostos de (Expand Search), imposto de (Expand Search), composicao de (Expand Search)
tal complex » al complex (Expand Search), metal complex (Expand Search), fetal complex (Expand Search)
l composto » e composto (Expand Search), _ composto (Expand Search), o composto (Expand Search)
than ngo » thang ngo (Expand Search), thanh ngo (Expand Search), thuan ngo (Expand Search)
3.5 nucl » 3.5 nacl (Expand Search), 34.5 null (Expand Search), 3 nucl (Expand Search)
de nele » de nelle (Expand Search), de nela (Expand Search), e nele (Expand Search)
nucl e » nacl e (Expand Search), nucl eng (Expand Search), nucl med (Expand Search)
5 tal » 5 tail (Expand Search), _ tal (Expand Search), e tal (Expand Search)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( j l composto de nele ) or ((( 5 tal complex than ngo ) or ( 3.5 nucl e carlos nojek ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j l composto de nele ) OR ((( 5 tal complex than ngo ) OR ( 3.5 nucl e carlos nojek )))).
• Adding a wildcard symbol may retrieve word variants: (( j l composto de nele ) or ((( 5 tal complex than ngo ) or ( 3.5 nucl e carlos nojek ))))*.