Talvez deva tentar algumas variações de ortografia:
complexo caused » complex caused (Expandir a Pesquisa), complexes caused (Expandir a Pesquisa), complex causes (Expandir a Pesquisa)
ward compare » ward compared (Expandir a Pesquisa), wards compared (Expandir a Pesquisa), card compared (Expandir a Pesquisa)
de complexo » de complexos (Expandir a Pesquisa), do complexo (Expandir a Pesquisa), de complejos (Expandir a Pesquisa)
caused netw » caused death (Expandir a Pesquisa), caused fetal (Expandir a Pesquisa)
ma compared » mra compared (Expandir a Pesquisa), mta compared (Expandir a Pesquisa), a compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
compare a » compare _ (Expandir a Pesquisa)
a nortes » a norte (Expandir a Pesquisa), a norreys (Expandir a Pesquisa), a north (Expandir a Pesquisa)
_ ward » _ warm (Expandir a Pesquisa)
j de » j e (Expandir a Pesquisa), j d (Expandir a Pesquisa)
j ma » j m (Expandir a Pesquisa), j a (Expandir a Pesquisa), j da (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 de complexo caused netw ) or ((( j ma compared a nortes ) or ( _ ward compare a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j de complexo caused netw ) OR ((( j ma compared a nortes ) OR ( _ ward compare a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j de complexo caused netw ) or ((( j ma compared a nortes ) or ( _ ward compare a new ))))*.