Talvez deva tentar algumas variações de ortografia:
retail companies » oil companies (Expandir a Pesquisa), small companies (Expandir a Pesquisa)
gas companies » based companies (Expandir a Pesquisa)
nat compared » rat compared (Expandir a Pesquisa), cat compared (Expandir a Pesquisa), fat compared (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
companies a » companies _ (Expandir a Pesquisa)
law note » law notes (Expandir a Pesquisa), law noise (Expandir a Pesquisa)
3 retail » _ retail (Expandir a Pesquisa), a retail (Expandir a Pesquisa), e retail (Expandir a Pesquisa)
j nat » j nart (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), e nat (Expandir a Pesquisa)
j gas » j gasa (Expandir a Pesquisa), j gast (Expandir a Pesquisa), _ gas (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": "(( j nat compared law note ) OR ((( j gas companies a new ) OR ( 3 retail companies a new ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nat compared law note ) OR ((( j gas companies a new ) OR ( 3 retail companies a new ))))*.