Talvez deva tentar algumas variações de ortografia:
complex trait » complex traits (Expandir a Pesquisa)
caso4 carlos » caso carlos (Expandir a Pesquisa), caro carlos (Expandir a Pesquisa), casal carlos (Expandir a Pesquisa)
carlos joel » carlson joel (Expandir a Pesquisa), carlos jose (Expandir a Pesquisa), carlos joao (Expandir a Pesquisa)
comes john » combes john (Expandir a Pesquisa), coles john (Expandir a Pesquisa), tomes john (Expandir a Pesquisa)
trait ngoc » tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa), tra ngoc (Expandir a Pesquisa)
nacl caso4 » nacl na2so4 (Expandir a Pesquisa)
5 several » _ several (Expandir a Pesquisa), a several (Expandir a Pesquisa), al several (Expandir a Pesquisa)
m comes » m coomes (Expandir a Pesquisa), m comps (Expandir a Pesquisa), m comas (Expandir a Pesquisa)
nova » novo (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (( j m comes john nova ) or ((( 5 several complex trait ngoc ) or ( 3.5 nacl caso4 carlos joel ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m comes john nova ) OR ((( 5 several complex trait ngoc ) OR ( 3.5 nacl caso4 carlos joel )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m comes john nova ) or ((( 5 several complex trait ngoc ) or ( 3.5 nacl caso4 carlos joel ))))*.