Perhaps you should try some spelling variations:
complex khanh » complex than (Expand Search), complex hand (Expand Search), complex change (Expand Search)
carlos nojek » carlos nunez (Expand Search), carlos nunes (Expand Search), carlos nejar (Expand Search)
tal complex » al complex (Expand Search), metal complex (Expand Search), fetal complex (Expand Search)
khanh ngoc » anh ngoc (Expand Search), phan ngoc (Expand Search)
campos na » campos a (Expand Search), campos n (Expand Search), campos _ (Expand Search)
l campos » _ campos (Expand Search), a campos (Expand Search), f campos (Expand Search)
0.9 nacl » 3.5 nacl (Expand Search)
l carlos » gil carlos (Expand Search)
na net » dna net (Expand Search), ca net (Expand Search), ia net (Expand Search)
nacl l » nacl _ (Expand Search), nacl a (Expand Search), nacl e (Expand Search)
c tal » c tail (Expand Search), _ tal (Expand Search), c tam (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 campos na net ) or ((( c tal complex khanh ngoc ) or ( 0.9 nacl l carlos nojek ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j l campos na net ) OR ((( c tal complex khanh ngoc ) OR ( 0.9 nacl l carlos nojek )))).
• Adding a wildcard symbol may retrieve word variants: (( j l campos na net ) or ((( c tal complex khanh ngoc ) or ( 0.9 nacl l carlos nojek ))))*.