Talvez deva tentar algumas variações de ortografia:
unity computers » units computers (Expandir a Pesquisa), unit computer (Expandir a Pesquisa), points computers (Expandir a Pesquisa)
computers can » computers a (Expandir a Pesquisa), computers _ (Expandir a Pesquisa)
dal computer » dental computer (Expandir a Pesquisa), small computer (Expandir a Pesquisa), local computer (Expandir a Pesquisa)
computer has » computer hard (Expandir a Pesquisa), computer a (Expandir a Pesquisa), computer habits (Expandir a Pesquisa)
gel compared » model compared (Expandir a Pesquisa), level compared (Expandir a Pesquisa), gel prepared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
has non » has now (Expandir a Pesquisa)
a unity » a unit (Expandir a Pesquisa), a unitary (Expandir a Pesquisa), a united (Expandir a Pesquisa)
can non » dan non (Expandir a Pesquisa), than non (Expandir a Pesquisa)
a dal » a day (Expandir a Pesquisa), a del (Expandir a Pesquisa), a dam (Expandir a Pesquisa)
3 gel » _ gel (Expandir a Pesquisa), i gel (Expandir a Pesquisa), a gel (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: (((( a dal computer has non ) or ( a unity computers can new ))) or ( 3 gel compared can non ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( a dal computer has non ) OR ( a unity computers can new ))) OR ( 3 gel compared can non )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( a dal computer has non ) or ( a unity computers can new ))) or ( 3 gel compared can non ))*.