Talvez deva tentar algumas variações de ortografia:
fetal complex » metal complex (Expandir a Pesquisa), fetal complete (Expandir a Pesquisa), septal complex (Expandir a Pesquisa)
complex trieu » complex trial (Expandir a Pesquisa), complex tree (Expandir a Pesquisa), complex trex (Expandir a Pesquisa)
nano carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), nuno carlos (Expandir a Pesquisa)
carlos jara » carlos lara (Expandir a Pesquisa), carlos carla (Expandir a Pesquisa), carlos juca (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
trieu ngoa » trieu ngoc (Expandir a Pesquisa), thieu nga (Expandir a Pesquisa), tieu ngoc (Expandir a Pesquisa)
nacl nano » nacl kno (Expandir a Pesquisa), nacl nabr (Expandir a Pesquisa), nacl naoh (Expandir a Pesquisa)
john new » john agnew (Expandir a Pesquisa), john neil (Expandir a Pesquisa), john n (Expandir a Pesquisa)
e combs » sex combs (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 e combs john new ) or ((( _ fetal complex trieu ngoa ) or ( 3.5 nacl nano carlos jara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs john new ) OR ((( _ fetal complex trieu ngoa ) OR ( 3.5 nacl nano carlos jara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs john new ) or ((( _ fetal complex trieu ngoa ) or ( 3.5 nacl nano carlos jara ))))*.