Talvez deva tentar algumas variações de ortografia:
health companies » health companion (Expandir a Pesquisa), healthy companion (Expandir a Pesquisa), health compared (Expandir a Pesquisa)
computer based » computer aided (Expandir a Pesquisa)
pada computer » ada computer (Expandir a Pesquisa), data computer (Expandir a Pesquisa), a computer (Expandir a Pesquisa)
wart compared » warts compared (Expandir a Pesquisa), ward compared (Expandir a Pesquisa), art compared (Expandir a Pesquisa)
companies a » companies _ (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
j health » j heath (Expandir a Pesquisa), bmj health (Expandir a Pesquisa), 19 health (Expandir a Pesquisa)
e pada » fe pada (Expandir a Pesquisa), e padua (Expandir a Pesquisa), e padoa (Expandir a Pesquisa)
j wart » j ward (Expandir a Pesquisa), j watt (Expandir a Pesquisa), j ware (Expandir a Pesquisa)
note » none (Expandir a Pesquisa), node (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: (( e pada computer based now ) or ((( j health companies a new ) or ( j wart compared a note ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( e pada computer based now ) OR ((( j health companies a new ) OR ( j wart compared a note )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( e pada computer based now ) or ((( j health companies a new ) or ( j wart compared a note ))))*.