Perhaps you should try some spelling variations:
complex pham » complex phase (Expand Search), complex phage (Expand Search), complex pah (Expand Search)
combs bacon » combs jacob (Expand Search), combs jason (Expand Search), com bacon (Expand Search)
xiv complex » iv complex (Expand Search), civ complex (Expand Search), hiv complex (Expand Search)
carlos lara » carlos lima (Expand Search), carlos lazaro (Expand Search), carlos lessa (Expand Search)
kno carlos » cano carlos (Expand Search), nino carlos (Expand Search), pino carlos (Expand Search)
bacon new » bacon's new (Expand Search), bacon neil (Expand Search), bacon e (Expand Search)
7.5 nacl » 3.5 nacl (Expand Search), 0.9 nacl (Expand Search)
nacl kno » nacl nano (Expand Search), nacl en (Expand Search), nacl kcl (Expand Search)
l combs » e combs (Expand Search), _ combs (Expand Search), l comps (Expand Search)
a xiv » da xiv (Expand Search), a xix (Expand Search), _ xiv (Expand Search)
ngoc » ngo (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 bacon new ) OR ((( a xiv complex pham ngoc ) OR ( 7.5 nacl kno carlos lara ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j l combs bacon new ) or ((( a xiv complex pham ngoc ) or ( 7.5 nacl kno carlos lara ))))*.