Talvez deva tentar algumas variações de ortografia:
malaria compared » malaria care (Expandir a Pesquisa)
compared cause » compared case (Expandir a Pesquisa), compared cases (Expandir a Pesquisa), complex cause (Expandir a Pesquisa)
nacl complex » nail complex (Expandir a Pesquisa), nac56 complex (Expandir a Pesquisa), nasal complex (Expandir a Pesquisa)
complex care » complex case (Expandir a Pesquisa)
compr than » cpr than (Expandir a Pesquisa), complex than (Expandir a Pesquisa), company than (Expandir a Pesquisa)
cause new » causes new (Expandir a Pesquisa), use new (Expandir a Pesquisa), cause non (Expandir a Pesquisa)
care non » rare non (Expandir a Pesquisa), care now (Expandir a Pesquisa), care new (Expandir a Pesquisa)
m naim » m nair (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (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: (( _ malaria compared cause new ) or ((( m naim compr than non ) or ( 3 nacl complex care non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ malaria compared cause new ) OR ((( m naim compr than non ) OR ( 3 nacl complex care non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ malaria compared cause new ) or ((( m naim compr than non ) or ( 3 nacl complex care non ))))*.