Talvez deva tentar algumas variações de ortografia:
cooper jason » cooper john (Expandir a Pesquisa), cooper alan (Expandir a Pesquisa), cooper james (Expandir a Pesquisa)
complex tien » complex times (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex time (Expandir a Pesquisa)
set complex » set1 complex (Expandir a Pesquisa), yet complex (Expandir a Pesquisa), onset complex (Expandir a Pesquisa)
jair carlos » jr carlos (Expandir a Pesquisa), mir carlos (Expandir a Pesquisa), junior carlos (Expandir a Pesquisa)
tien ngoc » tran ngoc (Expandir a Pesquisa), diep ngoc (Expandir a Pesquisa), tuan ngoc (Expandir a Pesquisa)
nacl jair » nacl nabr (Expandir a Pesquisa)
l cooper » j cooper (Expandir a Pesquisa), m cooper (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)
jason n » jason _ (Expandir a Pesquisa), jason a (Expandir a Pesquisa), jason c (Expandir a Pesquisa)
_ set » _ sex (Expandir a Pesquisa), _ sea (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 jason n ) or ((( _ set complex tien ngoc ) or ( 0.9 nacl jair carlos eslava ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l cooper jason n ) OR ((( _ set complex tien ngoc ) OR ( 0.9 nacl jair carlos eslava )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l cooper jason n ) or ((( _ set complex tien ngoc ) or ( 0.9 nacl jair carlos eslava ))))*.