Perhaps you should try some spelling variations:
carlos nojek » carlos nunez (Expand Search), carlos nunes (Expand Search), carlos nejar (Expand Search)
hat complex » heart complex (Expand Search), hat complexes (Expand Search), fact complex (Expand Search)
complex tap » complex than (Expand Search), complex task (Expand Search), complex tear (Expand Search)
cols colin » coles colin (Expand Search), cole colin (Expand Search), combs colin (Expand Search)
kcl carlos » akel carlos (Expand Search), gil carlos (Expand Search), del carlos (Expand Search)
colin new » coli new (Expand Search), colic new (Expand Search), colon new (Expand Search)
7.5 nacl » 3.5 nacl (Expand Search), 0.9 nacl (Expand Search)
e cols » e coli (Expand Search), e cole (Expand Search), e colo (Expand Search)
5 hat » 5 heat (Expand Search), _ hat (Expand Search), 5 htt (Expand Search)
tap n » stap n (Expand Search), tap _ (Expand Search), tap 1 (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 e cols colin new ) or ((( 5 hat complex tap n ) or ( 7.5 nacl kcl carlos nojek ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j e cols colin new ) OR ((( 5 hat complex tap n ) OR ( 7.5 nacl kcl carlos nojek )))).
• Adding a wildcard symbol may retrieve word variants: (( j e cols colin new ) or ((( 5 hat complex tap n ) or ( 7.5 nacl kcl carlos nojek ))))*.