Talvez deva tentar algumas variações de ortografia:
units computers » using computers (Expandir a Pesquisa)
daisy company » dairy company (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
company law » company a (Expandir a Pesquisa)
md units » sd units (Expandir a Pesquisa), bed units (Expandir a Pesquisa), led units (Expandir a Pesquisa)
narr amp » narc amp (Expandir a Pesquisa), narov amp (Expandir a Pesquisa), farr amy (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
amp can » amp camp (Expandir a Pesquisa)
j daisy » _ daisy (Expandir a Pesquisa), a daisy (Expandir a Pesquisa), go daisy (Expandir a Pesquisa)
law new » jaw new (Expandir a Pesquisa)
j narr » l narr (Expandir a Pesquisa), j nair (Expandir a Pesquisa), j nare (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( md units computers a neto ) OR ( j narr amp can netw ))) OR ( j daisy company law new ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( md units computers a neto ) OR ( j narr amp can netw ))) OR ( j daisy company law new ))*.