Talvez deva tentar algumas variações de ortografia:
complex three » complex than (Expandir a Pesquisa), complex tones (Expandir a Pesquisa), complex time (Expandir a Pesquisa)
barros joao » barros jose (Expandir a Pesquisa)
comps john » copps john (Expandir a Pesquisa), combs john (Expandir a Pesquisa), camps johan (Expandir a Pesquisa)
three ngoc » three non (Expandir a Pesquisa), three nac (Expandir a Pesquisa), three neo (Expandir a Pesquisa)
5 several » _ several (Expandir a Pesquisa), a several (Expandir a Pesquisa), al several (Expandir a Pesquisa)
co barros » o barros (Expandir a Pesquisa), moco barros (Expandir a Pesquisa), caio barros (Expandir a Pesquisa)
john noh » john john (Expandir a Pesquisa), john nova (Expandir a Pesquisa), john nash (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
nacl co » nacl co2 (Expandir a Pesquisa), nacl kcl (Expandir a Pesquisa), nacl kno (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 comps john noh ) or ((( 5 several complex three ngoc ) or ( 7.5 nacl co barros joao ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m comps john noh ) OR ((( 5 several complex three ngoc ) OR ( 7.5 nacl co barros joao )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m comps john noh ) or ((( 5 several complex three ngoc ) or ( 7.5 nacl co barros joao ))))*.