Talvez deva tentar algumas variações de ortografia:
complex than » complex trait (Expandir a Pesquisa)
oil complex » cell complex (Expandir a Pesquisa)
caso carlos » castro carlos (Expandir a Pesquisa), ascaso carlos (Expandir a Pesquisa), casado carlos (Expandir a Pesquisa)
carlos noa » carlos nodal (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa)
than ngoc » thanh ngoc (Expandir a Pesquisa), thuan ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
nacl caso » nacl caso4 (Expandir a Pesquisa), nacl co (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa)
l cooper » _ cooper (Expandir a Pesquisa), a cooper (Expandir a Pesquisa)
john bos » john bo (Expandir a Pesquisa), john bosco (Expandir a Pesquisa), john bowes (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
pe oil » de oil (Expandir a Pesquisa), pine oil (Expandir a Pesquisa), type oil (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 l cooper john bos ) or ((( pe oil complex than ngoc ) or ( 7.5 nacl caso carlos noa ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l cooper john bos ) OR ((( pe oil complex than ngoc ) OR ( 7.5 nacl caso carlos noa )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l cooper john bos ) or ((( pe oil complex than ngoc ) or ( 7.5 nacl caso carlos noa ))))*.