Talvez deva tentar algumas variações de ortografia:
complicada open » complicada en (Expandir a Pesquisa), complicated open (Expandir a Pesquisa), complicada con (Expandir a Pesquisa)
animal complex » minimal complex (Expandir a Pesquisa), animal complexity (Expandir a Pesquisa), abnormal complex (Expandir a Pesquisa)
complex than » complex trait (Expandir a Pesquisa)
role carlos » sole carlos (Expandir a Pesquisa), rolz carlos (Expandir a Pesquisa), grote carlos (Expandir a Pesquisa)
than ngoc » thanh ngoc (Expandir a Pesquisa), thuan ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
open new » opens new (Expandir a Pesquisa)
5 animal » 15 animal (Expandir a Pesquisa), _ animal (Expandir a Pesquisa), 1 animal (Expandir a Pesquisa)
nac role » c role (Expandir a Pesquisa), 1c role (Expandir a Pesquisa), nac core (Expandir a Pesquisa)
3 nac » 3 nacl (Expandir a Pesquisa), _ nac (Expandir a Pesquisa), a nac (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 _ complicada open new ) or ((( 5 animal complex than ngoc ) or ( 3 nac role carlos nelson ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ complicada open new ) OR ((( 5 animal complex than ngoc ) OR ( 3 nac role carlos nelson )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ complicada open new ) or ((( 5 animal complex than ngoc ) or ( 3 nac role carlos nelson ))))*.