Perhaps you should try some spelling variations:
complex tieu » complex times (Expand Search), complex time (Expand Search), complex tics (Expand Search)
cano carlos » luciano carlos (Expand Search), bacino carlos (Expand Search), solano carlos (Expand Search)
carlos jara » carlos lara (Expand Search), carlos carla (Expand Search), carlos juca (Expand Search)
combs con » combs colin (Expand Search), combs john (Expand Search), combs cody (Expand Search)
v complex » iv complex (Expand Search), v complexes (Expand Search), iv complexes (Expand Search)
tieu ngoc » tien ngoc (Expand Search), hieu ngoc (Expand Search), kieu ngoc (Expand Search)
nacl cano » nacl nano (Expand Search), nacl caso4 (Expand Search), nacl cacl (Expand Search)
0.9 nacl » 3.5 nacl (Expand Search)
e combs » sex combs (Expand Search)
con net » con nee (Expand Search), non net (Expand Search), upon 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 e combs con net ) OR ((( 5 v complex tieu ngoc ) OR ( 0.9 nacl cano carlos jara ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j e combs con net ) or ((( 5 v complex tieu ngoc ) or ( 0.9 nacl cano carlos jara ))))*.