Perhaps you should try some spelling variations:
complex trait » complex traits (Expand Search)
gomes roseli » gomes rogerio (Expand Search), gomes jose (Expand Search), gomes romeu (Expand Search)
tail complex » oil complex (Expand Search), atrial complex (Expand Search), basal complex (Expand Search)
copy carlos » cony carlos (Expand Search), cury carlos (Expand Search), joly carlos (Expand Search)
trait ngoc » tran ngoc (Expand Search), tram ngoc (Expand Search), tra ngoc (Expand Search)
carlos noa » carlos noe (Expand Search), carlos nodal (Expand Search), carlos nava (Expand Search)
nucl copy » dual copy (Expand Search)
l gomes » l gomez (Expand Search)
5 tail » _ tail (Expand Search), a tail (Expand Search), 3 tail (Expand Search)
3 nucl » 3 null (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 gomes roseli de ) or ((( 5 tail complex trait ngoc ) or ( 3 nucl copy carlos noa ))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( j l gomes roseli de ) OR ((( 5 tail complex trait ngoc ) OR ( 3 nucl copy carlos noa )))).
• Adding a wildcard symbol may retrieve word variants: (( j l gomes roseli de ) or ((( 5 tail complex trait ngoc ) or ( 3 nucl copy carlos noa ))))*.