Perhaps you should try some spelling variations:
metil complex » metal complex (Expand Search), metals complex (Expand Search), met complex (Expand Search)
comps icon » comps con (Expand Search)
gil carlos » gil campos (Expand Search)
carlos nav » carlos nava (Expand Search), carlos navas (Expand Search), carlos nara (Expand Search)
than ngoc » thanh ngoc (Expand Search), thuan ngoc (Expand Search), tran ngoc (Expand Search)
icon new » bacon new (Expand Search), icon fes (Expand Search), icon lem (Expand Search)
7.5 natl » 7.5 nacl (Expand Search), 3.5 nacl (Expand Search)
natl gil » nata gil (Expand Search), paul gil (Expand Search), raul gil (Expand Search)
l comps » m comps (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 l comps icon new ) or ((( 5 metil complex than ngoc ) or ( 7.5 natl gil carlos nav ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j l comps icon new ) OR ((( 5 metil complex than ngoc ) OR ( 7.5 natl gil carlos nav )))).
• Adding a wildcard symbol may retrieve word variants: (( j l comps icon new ) or ((( 5 metil complex than ngoc ) or ( 7.5 natl gil carlos nav ))))*.