Perhaps you should try some spelling variations:
metil complex » metal complex (Expand Search), metals complex (Expand Search), met complex (Expand Search)
complex tail » complex task (Expand Search), complex thin (Expand Search), complex tap (Expand Search)
carlos nosek » carlos nojek (Expand Search), carlos noseda (Expand Search), carlos jose (Expand Search)
jain carlos » jair carlos (Expand Search), lain carlos (Expand Search), jaime carlos (Expand Search)
combs con » combs colin (Expand Search), combs john (Expand Search), combs cody (Expand Search)
tail bond » tail binds (Expand Search), tail bones (Expand Search), tail bud (Expand Search)
0.9 nacl » 3.5 nacl (Expand Search)
e combs » sex combs (Expand Search)
con noe » con note (Expand Search), con node (Expand Search), con nee (Expand Search)
5 metil » 5 methyl (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 e combs con noe ) or ((( 5 metil complex tail bond ) or ( 0.9 nacl jain carlos nosek ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j e combs con noe ) OR ((( 5 metil complex tail bond ) OR ( 0.9 nacl jain carlos nosek ))))*.