Talvez deva tentar algumas variações de ortografia:
heath comparing » health comparing (Expandir a Pesquisa), death comparing (Expandir a Pesquisa), deaths comparing (Expandir a Pesquisa)
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparing climate (Expandir a Pesquisa)
laser compared » cancer compared (Expandir a Pesquisa), laser combined (Expandir a Pesquisa), older compared (Expandir a Pesquisa)
nata computer » data computer (Expandir a Pesquisa), ada computer (Expandir a Pesquisa), pada computer (Expandir a Pesquisa)
crime do » crime de (Expandir a Pesquisa), crime _ (Expandir a Pesquisa), crime e (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
j laser » j lager (Expandir a Pesquisa), j lammer (Expandir a Pesquisa), j lagier (Expandir a Pesquisa)
e nata » e natal (Expandir a Pesquisa), e nafta (Expandir a Pesquisa), e nada (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: (( e nata computer crime do ) or ((( j heath comparing case new ) or ( j laser compared _ non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( e nata computer crime do ) OR ((( j heath comparing case new ) OR ( j laser compared _ non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( e nata computer crime do ) or ((( j heath comparing case new ) or ( j laser compared _ non ))))*.