Talvez deva tentar algumas variações de ortografia:
malaria comparing » malaria comparisons (Expandir a Pesquisa), malaria comparison (Expandir a Pesquisa), malaria compared (Expandir a Pesquisa)
comparing dose » comparing data (Expandir a Pesquisa), comparing deep (Expandir a Pesquisa), comparative dose (Expandir a Pesquisa)
nacl complex » nail complex (Expandir a Pesquisa), nac56 complex (Expandir a Pesquisa), nasal complex (Expandir a Pesquisa)
dose newts » dose new (Expandir a Pesquisa)
a malaria » _ malaria (Expandir a Pesquisa)
nail bomb » oil bomb (Expandir a Pesquisa)
bomb can » bomba con (Expandir a Pesquisa), bomb a (Expandir a Pesquisa), bomb has (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
3 nail » _ nail (Expandir a Pesquisa), a nail (Expandir a Pesquisa), 3 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: (( a malaria comparing dose newts ) or ((( 3 nail bomb can ngoc ) or ( _ nacl complex case now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a malaria comparing dose newts ) OR ((( 3 nail bomb can ngoc ) OR ( _ nacl complex case now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a malaria comparing dose newts ) or ((( 3 nail bomb can ngoc ) or ( _ nacl complex case now ))))*.