Talvez deva tentar algumas variações de ortografia:
fails companies » milk companies (Expandir a Pesquisa), its companies (Expandir a Pesquisa), parts companies (Expandir a Pesquisa)
heart compared » haart compared (Expandir a Pesquisa), heat compared (Expandir a Pesquisa), health compared (Expandir a Pesquisa)
gas companies » _ companies (Expandir a Pesquisa)
companies a » companies _ (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
j heart » j heard (Expandir a Pesquisa), j hearn (Expandir a Pesquisa), j hegarty (Expandir a Pesquisa)
j fails » _ fails (Expandir a Pesquisa), 1 fails (Expandir a Pesquisa), 2 fails (Expandir a Pesquisa)
a now » a nowe (Expandir a Pesquisa), a new (Expandir a Pesquisa), a non (Expandir a Pesquisa)
e gas » _ gas (Expandir a Pesquisa), a gas (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: (( j heart compared a note ) or ((( j fails companies a now ) or ( e gas companies a now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j heart compared a note ) OR ((( j fails companies a now ) OR ( e gas companies a now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j heart compared a note ) or ((( j fails companies a now ) or ( e gas companies a now ))))*.