Perhaps you should try some spelling variations:
complex time » complex tissue (Expand Search), complex tones (Expand Search), complex three (Expand Search)
anal complex » analog complex (Expand Search), animal complex (Expand Search), faunal complex (Expand Search)
carlos rojek » carlos nojek (Expand Search), carlos rojas (Expand Search), carlos roger (Expand Search)
ning carlos » nino carlos (Expand Search), nin carlos (Expand Search), ing carlos (Expand Search)
time ngoc » time non (Expand Search), time nor (Expand Search), time now (Expand Search)
nacl ning » nacl using (Expand Search), nacl nano (Expand Search)
l combs » e combs (Expand Search), _ combs (Expand Search), l comps (Expand Search)
combs c » combs _ (Expand Search)
i anal » i anas (Expand Search), i analiz (Expand Search), i animal (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.

• Performing a fuzzy search may retrieve terms with similar spellings: (( j l combs c net ) or ((( i anal complex time ngoc ) or ( 3.5 nacl ning carlos rojek ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j l combs c net ) OR ((( i anal complex time ngoc ) OR ( 3.5 nacl ning carlos rojek )))).
• Adding a wildcard symbol may retrieve word variants: (( j l combs c net ) or ((( i anal complex time ngoc ) or ( 3.5 nacl ning carlos rojek ))))*.