Perhaps you should try some spelling variations:
metil complex » metal complex (Expand Search), metals complex (Expand Search), met complex (Expand Search)
complex tics » complex times (Expand Search), complex time (Expand Search), complex tcc (Expand Search)
natl bacino » nel bacino (Expand Search)
carlos nora » carlos mora (Expand Search), carlos nara (Expand Search), carlos noa (Expand Search)
camps con » campos con (Expand Search), camps font (Expand Search), camps joan (Expand Search)
0.9 natl » 0.9 nacl (Expand Search)
l camps » l campos (Expand Search), _ camps (Expand Search), e camps (Expand Search)
con new » icon new (Expand Search), con nee (Expand Search), con net (Expand Search)
5 metil » 5 methyl (Expand Search)
tics oc » tics o (Expand Search), tics los (Expand Search), tics nos (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 camps con new ) or ((( 5 metil complex tics oc ) or ( 0.9 natl bacino carlos nora ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j l camps con new ) OR ((( 5 metil complex tics oc ) OR ( 0.9 natl bacino carlos nora )))).
• Adding a wildcard symbol may retrieve word variants: (( j l camps con new ) or ((( 5 metil complex tics oc ) or ( 0.9 natl bacino carlos nora ))))*.