Talvez deva tentar algumas variações de ortografia:
complex care » complex case (Expandir a Pesquisa)
ion complex » ion complexes (Expandir a Pesquisa), fusion complex (Expandir a Pesquisa)
oil company » oil companies (Expandir a Pesquisa)
company can » company car (Expandir a Pesquisa), company case (Expandir a Pesquisa), company cars (Expandir a Pesquisa)
care now » care new (Expandir a Pesquisa), care non (Expandir a Pesquisa)
a newly » _ newly (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa), can ngoc (Expandir a Pesquisa)
l com » l como (Expandir a Pesquisa), e com (Expandir a Pesquisa), l con (Expandir a Pesquisa)
5 ion » 5 ions (Expandir a Pesquisa), _ ion (Expandir a Pesquisa), 2 ion (Expandir a Pesquisa)
3 oil » 3 oils (Expandir a Pesquisa), _ oil (Expandir a Pesquisa), l oil (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 com a newly ) OR ((( 5 ion complex care now ) OR ( 3 oil company can now ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l com a newly ) OR ((( 5 ion complex care now ) OR ( 3 oil company can now ))))*.