Perhaps you should try some spelling variations:
semino carlos » serrano carlos (Expand Search), bacino carlos (Expand Search), solano carlos (Expand Search)
complex tear » complex tears (Expand Search), complex than (Expand Search), complex toward (Expand Search)
carlos nara » carlos lara (Expand Search), carlos nava (Expand Search), carlos jara (Expand Search)
gomez john » gomez jose (Expand Search), gomez juan (Expand Search)
mt complex » most complex (Expand Search), cst complex (Expand Search), ift complex (Expand Search)
john new » john agnew (Expand Search), john neil (Expand Search), john noel (Expand Search)
tear nlo » tear flow (Expand Search), tear il (Expand Search)
7.5 nucl » 7.5 nacl (Expand Search)
5 mt » 5 ht (Expand Search), _ mt (Expand Search), 5 mg (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 gomez john new ) or ((( 5 mt complex tear nlo ) or ( 7.5 nucl semino carlos nara ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j l gomez john new ) OR ((( 5 mt complex tear nlo ) OR ( 7.5 nucl semino carlos nara )))).
• Adding a wildcard symbol may retrieve word variants: (( j l gomez john new ) or ((( 5 mt complex tear nlo ) or ( 7.5 nucl semino carlos nara ))))*.