Perhaps you should try some spelling variations:
complex time » complex tissue (Expand Search), complex tones (Expand Search), complex three (Expand Search)
mesh complex » marsh complex (Expand Search), wash complex (Expand Search), hush complex (Expand Search)
campos nava » campos pavan (Expand Search), campos nadia (Expand Search), campos naira (Expand Search)
gil campos » angel campos (Expand Search)
campo con » campo como (Expand Search), campo c (Expand Search)
time ngo » time nano (Expand Search), time non (Expand Search), time nmr (Expand Search)
7.5 nacl » 3.5 nacl (Expand Search), 0.9 nacl (Expand Search)
nacl gil » nacl kcl (Expand Search), nacl gum (Expand Search), nacl i (Expand Search)
l campo » el campo (Expand Search), al campo (Expand Search), l campos (Expand Search)
con net » con nee (Expand Search), non net (Expand Search), upon net (Expand Search)
5 mesh » 5 meso (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 campo con net ) or ((( 5 mesh complex time ngo ) or ( 7.5 nacl gil campos nava ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j l campo con net ) OR ((( 5 mesh complex time ngo ) OR ( 7.5 nacl gil campos nava )))).
• Adding a wildcard symbol may retrieve word variants: (( j l campo con net ) or ((( 5 mesh complex time ngo ) or ( 7.5 nacl gil campos nava ))))*.