Perhaps you should try some spelling variations:
complex genes » complex gene (Expand Search), complex genetic (Expand Search)
focal complex » clonal complex (Expand Search), apical complex (Expand Search), basal complex (Expand Search)
nino carlos » cano carlos (Expand Search), bacino carlos (Expand Search), semino carlos (Expand Search)
carlos noe » carlos nobre (Expand Search), carlos nojek (Expand Search), carlos n (Expand Search)
combs con » combs colin (Expand Search), combs john (Expand Search), combs cody (Expand Search)
genes nef » genes new (Expand Search), gene nef (Expand Search), genes nif (Expand Search)
nacl nino » nacl nano (Expand Search), nacl kno (Expand Search), nacl mno (Expand Search)
7.2 nacl » 7.5 nacl (Expand Search), 3.5 nacl (Expand Search), 0.9 nacl (Expand Search)
l combs » e combs (Expand Search), _ combs (Expand Search), l comps (Expand Search)
con noe » con note (Expand Search), con node (Expand Search), con nee (Expand Search)
5 focal » 25 focal (Expand Search), β5 focal (Expand Search), _ focal (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 combs con noe ) or ((( 5 focal complex genes nef ) or ( 7.2 nacl nino carlos noe ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j l combs con noe ) OR ((( 5 focal complex genes nef ) OR ( 7.2 nacl nino carlos noe )))).
• Adding a wildcard symbol may retrieve word variants: (( j l combs con noe ) or ((( 5 focal complex genes nef ) or ( 7.2 nacl nino carlos noe ))))*.