Perhaps you should try some spelling variations:
complex path » complex pain (Expand Search), complex part (Expand Search), complex pathway (Expand Search)
campos curso » campos urso (Expand Search), campos caro (Expand Search), campos celso (Expand Search)
tal complex » al complex (Expand Search), metal complex (Expand Search), fetal complex (Expand Search)
gil campos » angel campos (Expand Search)
carlos noe » carlos nobre (Expand Search), carlos nojek (Expand Search), carlos n (Expand Search)
curso new » curso de (Expand Search), curso en (Expand Search), curso e (Expand Search)
co carlos » fico carlos (Expand Search), caro carlos (Expand Search), cardo carlos (Expand Search)
path non » death non (Expand Search), path nano (Expand Search), swath non (Expand Search)
0.9 nacl » 3.5 nacl (Expand Search)
nacl co » nacl co2 (Expand Search), nacl kcl (Expand Search), nacl kno (Expand Search)
a gil » a gis (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: (( a gil campos curso new ) or ((( 5 tal complex path non ) or ( 0.9 nacl co carlos noe ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( a gil campos curso new ) OR ((( 5 tal complex path non ) OR ( 0.9 nacl co carlos noe )))).
• Adding a wildcard symbol may retrieve word variants: (( a gil campos curso new ) or ((( 5 tal complex path non ) or ( 0.9 nacl co carlos noe ))))*.