Perhaps you should try some spelling variations:
animal complex » minimal complex (Expand Search), animal complexity (Expand Search), animal computer (Expand Search)
complex time » complex tissue (Expand Search), complex tones (Expand Search), complex three (Expand Search)
carlos nava » carlos navarro (Expand Search), carlos eslava (Expand Search), carlos zavala (Expand Search)
nin carlos » nino carlos (Expand Search), otin carlos (Expand Search), lain carlos (Expand Search)
time ngoc » time non (Expand Search), time nor (Expand Search), time now (Expand Search)
5 animal » 15 animal (Expand Search), _ animal (Expand Search), 1 animal (Expand Search)
7.5 nucl » 7.5 nacl (Expand Search)
l comps » m comps (Expand Search)
comps c » compes c (Expand Search), camps c (Expand Search), comps i (Expand Search)
c net » c neto (Expand Search), _ net (Expand Search), u net (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 comps c net ) OR ((( 5 animal complex time ngoc ) OR ( 7.5 nucl nin carlos nava ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j l comps c net ) or ((( 5 animal complex time ngoc ) or ( 7.5 nucl nin carlos nava ))))*.