Perhaps you should try some spelling variations:
campos johal » campos johel (Expand Search), campos joao (Expand Search), campos jonas (Expand Search)
tal complex » al complex (Expand Search), metal complex (Expand Search), fetal complex (Expand Search)
complex anh » complex ant (Expand Search), complex anal (Expand Search), complex anti (Expand Search)
johal nott » john nott (Expand Search)
kno carlos » cano carlos (Expand Search), nino carlos (Expand Search), pino carlos (Expand Search)
carlos noe » carlos nobre (Expand Search), carlos nojek (Expand Search), carlos n (Expand Search)
l campos » _ campos (Expand Search), a campos (Expand Search), f campos (Expand Search)
7.5 nacl » 3.5 nacl (Expand Search), 0.9 nacl (Expand Search)
nacl kno » nacl nano (Expand Search), nacl en (Expand Search), nacl kcl (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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (( j l campos johal nott ) OR ((( 5 tal complex anh ngoc ) OR ( 7.5 nacl kno carlos noe ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j l campos johal nott ) or ((( 5 tal complex anh ngoc ) or ( 7.5 nacl kno carlos noe ))))*.