Perhaps you should try some spelling variations:
complex trial » complex atrial (Expand Search), complex tibial (Expand Search), complex tropical (Expand Search)
carlos now » carlos noe (Expand Search), carlos noa (Expand Search), carlos novo (Expand Search)
campo con » campo como (Expand Search), campo c (Expand Search)
trial ngo » trial neo (Expand Search), trial new (Expand Search), trial nrg (Expand Search)
0.9 nacl » 3.5 nacl (Expand Search)
l carlos » gil carlos (Expand Search)
con noe » con note (Expand Search), con node (Expand Search), con nee (Expand Search)
5 basal » _ basal (Expand Search), a basal (Expand Search), 1 basal (Expand Search)
nacl l » nacl _ (Expand Search), nacl a (Expand Search), nacl e (Expand Search)
m del » y del (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: (( m del campo con noe ) or ((( 5 basal complex trial ngo ) or ( 0.9 nacl l carlos now ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( m del campo con noe ) OR ((( 5 basal complex trial ngo ) OR ( 0.9 nacl l carlos now )))).
• Adding a wildcard symbol may retrieve word variants: (( m del campo con noe ) or ((( 5 basal complex trial ngo ) or ( 0.9 nacl l carlos now ))))*.