Talvez deva tentar algumas variações de ortografia:
maternal complex » quaternary complex (Expandir a Pesquisa), maternal common (Expandir a Pesquisa)
prepared cause » prepared cags (Expandir a Pesquisa), prepared caries (Expandir a Pesquisa), prepared also (Expandir a Pesquisa)
complex parent » complex apparent (Expandir a Pesquisa), complex patient (Expandir a Pesquisa), complex part (Expandir a Pesquisa)
well prepared » cells prepared (Expandir a Pesquisa), well preserved (Expandir a Pesquisa)
parent ngoc » karen ngoc (Expandir a Pesquisa), laurent ngoy (Expandir a Pesquisa), parent anion (Expandir a Pesquisa)
1 maternal » 10 maternal (Expandir a Pesquisa), 11 maternal (Expandir a Pesquisa), 15 maternal (Expandir a Pesquisa)
cause new » causes new (Expandir a Pesquisa), use new (Expandir a Pesquisa), cause non (Expandir a Pesquisa)
3 well » 37 well (Expandir a Pesquisa), 39 well (Expandir a Pesquisa), 3d well (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: (( 3 well prepared cause new ) or ( 1 maternal complex parent ngoc ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 3 well prepared cause new ) OR ( 1 maternal complex parent ngoc )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 3 well prepared cause new ) or ( 1 maternal complex parent ngoc ))*.