Talvez deva tentar algumas variações de ortografia:
natl comparing » al comparing (Expandir a Pesquisa), all comparing (Expandir a Pesquisa), small comparing (Expandir a Pesquisa)
comparing case » comparing cancer (Expandir a Pesquisa), compelling case (Expandir a Pesquisa), comparing climate (Expandir a Pesquisa)
age computers » age computer (Expandir a Pesquisa), large computers (Expandir a Pesquisa), use computers (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
case needs » care needs (Expandir a Pesquisa), base needs (Expandir a Pesquisa), case leeds (Expandir a Pesquisa)
nat comer » nao comer (Expandir a Pesquisa), a comer (Expandir a Pesquisa), al comer (Expandir a Pesquisa)
comer van » comer vann (Expandir a Pesquisa), omer van (Expandir a Pesquisa), comer dan (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
l age » _ age (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: (( _ natl comparing case needs ) or ((( j nat comer van ngoc ) or ( l age computers a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ natl comparing case needs ) OR ((( j nat comer van ngoc ) OR ( l age computers a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ natl comparing case needs ) or ((( j nat comer van ngoc ) or ( l age computers a new ))))*.