Perhaps you should try some spelling variations:
complex tran » complex trans (Expand Search), complex than (Expand Search), complex trait (Expand Search)
met complex » yet complex (Expand Search), set complex (Expand Search), metal complex (Expand Search)
carlos jara » carlos lara (Expand Search), carlos carla (Expand Search), carlos juca (Expand Search)
npt carlos » ott carlos (Expand Search), st carlos (Expand Search), wit carlos (Expand Search)
c.m bach » c.m bacon (Expand Search)
bach new » each new (Expand Search), reach new (Expand Search), teach new (Expand Search)
tran nga » tran ngoc (Expand Search), tran nhan (Expand Search), tran nham (Expand Search)
nacl npt » nacl ph (Expand Search), nacl na (Expand Search), nacl nas (Expand Search)
3 nacl » _ nacl (Expand Search), m nacl (Expand Search), 3.5 nacl (Expand Search)
l c.m » l com (Expand Search), l cam (Expand Search), _ c.m (Expand Search)
5 met » 5 meo (Expand Search), 5 mev (Expand Search), 5 mec (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 c.m bach new ) or ((( 5 met complex tran nga ) or ( 3 nacl npt carlos jara ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j l c.m bach new ) OR ((( 5 met complex tran nga ) OR ( 3 nacl npt carlos jara )))).
• Adding a wildcard symbol may retrieve word variants: (( j l c.m bach new ) or ((( 5 met complex tran nga ) or ( 3 nacl npt carlos jara ))))*.