Talvez deva tentar algumas variações de ortografia:
compare avian » comparing avian (Expandir a Pesquisa), complete avian (Expandir a Pesquisa), compare human (Expandir a Pesquisa)
caat compared » cast compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa), haart compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
cost compare » cost compared (Expandir a Pesquisa), costs compared (Expandir a Pesquisa), cast compared (Expandir a Pesquisa)
nad computer » cad computer (Expandir a Pesquisa), need computer (Expandir a Pesquisa), head computer (Expandir a Pesquisa)
avian ngoc » van ngoc (Expandir a Pesquisa)
computer a » computer _ (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
c caat » _ caat (Expandir a Pesquisa), 4 caat (Expandir a Pesquisa), a caat (Expandir a Pesquisa)
c cost » c costa (Expandir a Pesquisa), c costi (Expandir a Pesquisa)
a netb » a neto (Expandir a Pesquisa), _ netb (Expandir a Pesquisa), a neta (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: (((( c caat compared can ngoc ) or ( c cost compare avian ngoc ))) or ( _ nad computer a netb ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( c caat compared can ngoc ) OR ( c cost compare avian ngoc ))) OR ( _ nad computer a netb )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( c caat compared can ngoc ) or ( c cost compare avian ngoc ))) or ( _ nad computer a netb ))*.