Talvez deva tentar algumas variações de ortografia:
snail's complex » snails complex (Expandir a Pesquisa), snail complex (Expandir a Pesquisa), snail1 complex (Expandir a Pesquisa)
oil companies » _ companies (Expandir a Pesquisa), oil company (Expandir a Pesquisa)
companies cpr » companies can (Expandir a Pesquisa), companies cut (Expandir a Pesquisa), companies cater (Expandir a Pesquisa)
_ snail's » _ snails (Expandir a Pesquisa), a snail's (Expandir a Pesquisa), _ snail1 (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
l homes » l holmes (Expandir a Pesquisa), l home (Expandir a Pesquisa), l holmens (Expandir a Pesquisa)
homes a » homes _ (Expandir a Pesquisa)
a newts » _ newts (Expandir a Pesquisa), a news (Expandir a Pesquisa), a newt (Expandir a Pesquisa)
cpr now » apmr now (Expandir a Pesquisa), cpr news (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 l homes a newts ) OR ((( _ snail's complex case now ) OR ( _ oil companies cpr now ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l homes a newts ) OR ((( _ snail's complex case now ) OR ( _ oil companies cpr now ))))*.