Talvez deva tentar algumas variações de ortografia:
companies case » companies based (Expandir a Pesquisa), companies a (Expandir a Pesquisa), companies act (Expandir a Pesquisa)
methyl complex » metal complex (Expandir a Pesquisa), method complex (Expandir a Pesquisa), methylase complex (Expandir a Pesquisa)
oil companies » _ companies (Expandir a Pesquisa), oil company (Expandir a Pesquisa)
complex rare » complex real (Expandir a Pesquisa)
comes can » homes can (Expandir a Pesquisa), domes can (Expandir a Pesquisa), comes calin (Expandir a Pesquisa)
al comes » all comes (Expandir a Pesquisa), al comer (Expandir a Pesquisa), al comps (Expandir a Pesquisa)
case now » cases now (Expandir a Pesquisa), case non (Expandir a Pesquisa), case new (Expandir a Pesquisa)
l oil » _ oil (Expandir a Pesquisa)
j al » j a (Expandir a Pesquisa), j l (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 al comes can new ) or ((( 3 methyl complex rare non ) or ( l oil companies case now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j al comes can new ) OR ((( 3 methyl complex rare non ) OR ( l oil companies case now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j al comes can new ) or ((( 3 methyl complex rare non ) or ( l oil companies case now ))))*.