Perhaps you should try some spelling variations:
complex time » complex tissue (Expand Search), complex tones (Expand Search), complex three (Expand Search)
cst complex » coat complex (Expand Search), corest complex (Expand Search), guest complex (Expand Search)
carlos nova » carlos novoa (Expand Search), carlos nava (Expand Search), carlos noa (Expand Search)
kcl carlos » akel carlos (Expand Search), gil carlos (Expand Search), del carlos (Expand Search)
comps los » comps la (Expand Search)
time now » time non (Expand Search), time new (Expand Search), time nor (Expand Search)
l comps » m comps (Expand Search)
los net » loss net (Expand Search), los neo (Expand Search), los new (Expand Search)
5 cst » _ cst (Expand Search)
nacl » natl (Expand Search), nac (Expand Search), nucl (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 comps los net ) OR ((( 5 cst complex time now ) OR ( 3.5 nacl kcl carlos nova ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j l comps los net ) or ((( 5 cst complex time now ) or ( 3.5 nacl kcl carlos nova ))))*.