Talvez deva tentar algumas variações de ortografia:
comparing climate » combating climate (Expandir a Pesquisa), comparing estimates (Expandir a Pesquisa), comparing estimated (Expandir a Pesquisa)
diet comparing » diets comparing (Expandir a Pesquisa), drift comparing (Expandir a Pesquisa), dast comparing (Expandir a Pesquisa)
nat computers » what computers (Expandir a Pesquisa), iet computers (Expandir a Pesquisa), can computers (Expandir a Pesquisa)
lnqe computer » line computer (Expandir a Pesquisa), life computer (Expandir a Pesquisa), large computer (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
climate now » climate snow (Expandir a Pesquisa), climate new (Expandir a Pesquisa), climate non (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
6j diet » 6 diet (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
a now » a non (Expandir a Pesquisa), _ now (Expandir a Pesquisa), a nos (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 nat computers a now ) or ( 3 lnqe computer a new ))) or ( 6j diet comparing climate now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j nat computers a now ) OR ( 3 lnqe computer a new ))) OR ( 6j diet comparing climate now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j nat computers a now ) or ( 3 lnqe computer a new ))) or ( 6j diet comparing climate now ))*.