Perhaps you should try some spelling variations:
complex time » complex tissue (Expand Search), complex tones (Expand Search), complex three (Expand Search)
carlos rojek » carlos nojek (Expand Search), carlos rojas (Expand Search), carlos roger (Expand Search)
ana complex » pana complex (Expand Search), anal complex (Expand Search), dna complex (Expand Search)
nino carlos » cano carlos (Expand Search), bacino carlos (Expand Search), semino carlos (Expand Search)
nacl nino » nacl nano (Expand Search), nacl kno (Expand Search), nacl mno (Expand Search)
time ngo » time nano (Expand Search), time non (Expand Search), time nmr (Expand Search)
7.2 nacl » 7.5 nacl (Expand Search), 3.5 nacl (Expand Search), 0.9 nacl (Expand Search)
l combs » e combs (Expand Search), _ combs (Expand Search), l comps (Expand Search)
combs c » combs _ (Expand Search)
c net » c neto (Expand Search), _ net (Expand Search), u net (Expand Search)
i ana » i anal (Expand Search), i anas (Expand Search), _ ana (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 combs c net ) OR ((( i ana complex time ngo ) OR ( 7.2 nacl nino carlos rojek ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j l combs c net ) or ((( i ana complex time ngo ) or ( 7.2 nacl nino carlos rojek ))))*.