Talvez deva tentar algumas variações de ortografia:
complex tris » complex tric (Expandir a Pesquisa), complex trs (Expandir a Pesquisa), complex traits (Expandir a Pesquisa)
casal carlos » cabral carlos (Expandir a Pesquisa), casado carlos (Expandir a Pesquisa), casali carlo (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
yl complex » l complex (Expandir a Pesquisa), al complex (Expandir a Pesquisa), cl complex (Expandir a Pesquisa)
nacl casal » nacl cacl (Expandir a Pesquisa), nacl caso4 (Expandir a Pesquisa)
tris ngoc » trinh ngoc (Expandir a Pesquisa), trieu ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
john new » john agnew (Expandir a Pesquisa), john neil (Expandir a Pesquisa), john n (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
nunez » nunes (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 _ combs john new ) or ((( 2 yl complex tris ngoc ) or ( 7.5 nacl casal carlos nunez ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs john new ) OR ((( 2 yl complex tris ngoc ) OR ( 7.5 nacl casal carlos nunez )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs john new ) or ((( 2 yl complex tris ngoc ) or ( 7.5 nacl casal carlos nunez ))))*.