Talvez deva tentar algumas variações de ortografia:
joint complex » joint computer (Expandir a Pesquisa)
complex tears » complex traits (Expandir a Pesquisa), complex trait (Expandir a Pesquisa), complex than (Expandir a Pesquisa)
caso4 carlos » caso carlos (Expandir a Pesquisa), caro carlos (Expandir a Pesquisa), casal carlos (Expandir a Pesquisa)
carlos carla » carlos camila (Expandir a Pesquisa), carlos carlos (Expandir a Pesquisa), carlos calva (Expandir a Pesquisa)
hobbs john » hobbs jean (Expandir a Pesquisa)
nacl caso4 » nacl na2so4 (Expandir a Pesquisa)
tears nlo » tears do (Expandir a Pesquisa), tears new (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)
l hobbs » j hobbs (Expandir a Pesquisa), _ hobbs (Expandir a Pesquisa), m hobbs (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 hobbs john new ) or ((( _ joint complex tears nlo ) or ( 7.5 nacl caso4 carlos carla ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l hobbs john new ) OR ((( _ joint complex tears nlo ) OR ( 7.5 nacl caso4 carlos carla )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l hobbs john new ) or ((( _ joint complex tears nlo ) or ( 7.5 nacl caso4 carlos carla ))))*.