Talvez deva tentar algumas variações de ortografia:
natl companies » cartel companies (Expandir a Pesquisa), small companies (Expandir a Pesquisa), hotel companies (Expandir a Pesquisa)
companies case » companies based (Expandir a Pesquisa), companies a (Expandir a Pesquisa), companies act (Expandir a Pesquisa)
rates compared » diabetes compared (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
case netw » case net (Expandir a Pesquisa), case new (Expandir a Pesquisa), case note (Expandir a Pesquisa)
coop trad » comp trad (Expandir a Pesquisa), crop trade (Expandir a Pesquisa)
trad ngoc » tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa), tra ngoc (Expandir a Pesquisa)
net coop » net co (Expandir a Pesquisa), net cost (Expandir a Pesquisa)
j rates » j raes (Expandir a Pesquisa), j ramesh (Expandir a Pesquisa), j rajesh (Expandir a Pesquisa)
j natl » j nail (Expandir a Pesquisa), _ natl (Expandir a Pesquisa), j nat (Expandir a Pesquisa)
a netb » a neto (Expandir a Pesquisa), _ netb (Expandir a Pesquisa), a neta (Expandir a Pesquisa)
_ net » _ new (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j natl companies case netw ) OR ( j rates compared a netb ))) OR ( _ net coop trad ngoc ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j natl companies case netw ) or ( j rates compared a netb ))) or ( _ net coop trad ngoc ))*.