Perhaps you should try some spelling variations:
coomber jason » coombes jason (Expand Search), cooper jason (Expand Search), coombs jason (Expand Search)
complexo tri » complexo i (Expand Search), complexo tat (Expand Search), complexo teoria (Expand Search)
carlos nocek » carlos nojek (Expand Search), carlos noceda (Expand Search), carlos nick (Expand Search)
e complexo » de complexo (Expand Search), _ complexo (Expand Search), o complexo (Expand Search)
kno carlos » cano carlos (Expand Search), nino carlos (Expand Search), pino carlos (Expand Search)
l coomber » l cooper (Expand Search), k coombes (Expand Search)
tri ngoc » thi ngoc (Expand Search), tai ngoc (Expand Search), tri ngo (Expand Search)
0.9 nacl » 3.5 nacl (Expand Search)
nacl kno » nacl nano (Expand Search), nacl en (Expand Search), nacl kcl (Expand Search)
jason a » jason _ (Expand Search)
5 e » 5 de (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 coomber jason a ) or ((( 5 e complexo tri ngoc ) or ( 0.9 nacl kno carlos nocek ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j l coomber jason a ) OR ((( 5 e complexo tri ngoc ) OR ( 0.9 nacl kno carlos nocek )))).
• Adding a wildcard symbol may retrieve word variants: (( j l coomber jason a ) or ((( 5 e complexo tri ngoc ) or ( 0.9 nacl kno carlos nocek ))))*.