Talvez deva tentar algumas variações de ortografia:
comparing clean » comparing nuclear (Expandir a Pesquisa), comparing close (Expandir a Pesquisa), coming clean (Expandir a Pesquisa)
natl comparing » al comparing (Expandir a Pesquisa), all comparing (Expandir a Pesquisa), small comparing (Expandir a Pesquisa)
adl computer » ada computer (Expandir a Pesquisa), apl computer (Expandir a Pesquisa), vhdl computer (Expandir a Pesquisa)
computer can » computers can (Expandir a Pesquisa), computer case (Expandir a Pesquisa), computer a (Expandir a Pesquisa)
clean newts » can newts (Expandir a Pesquisa), clean net (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
j natl » _ natl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), j natali (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j adl » _ adl (Expandir a Pesquisa), i adl (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 natl comparing clean newts ) or ((( j nat compr van ngoc ) or ( j adl computer can new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j natl comparing clean newts ) OR ((( j nat compr van ngoc ) OR ( j adl computer can new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j natl comparing clean newts ) or ((( j nat compr van ngoc ) or ( j adl computer can new ))))*.