Talvez deva tentar algumas variações de ortografia:
nails companies » oil companies (Expandir a Pesquisa), parts companies (Expandir a Pesquisa), its companies (Expandir a Pesquisa)
spray compared » assay compared (Expandir a Pesquisa), spray coated (Expandir a Pesquisa), early compared (Expandir a Pesquisa)
gas companies » based companies (Expandir a Pesquisa), oil companies (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)
j spray » c spray (Expandir a Pesquisa), e spray (Expandir a Pesquisa), l spray (Expandir a Pesquisa)
3 nails » _ nails (Expandir a Pesquisa), 3 nail (Expandir a Pesquisa), im nails (Expandir a Pesquisa)
a non » _ non (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 spray compared law note ) OR ((( _ gas companies a non ) OR ( 3 nails companies a non ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j spray compared law note ) OR ((( _ gas companies a non ) OR ( 3 nails companies a non ))))*.