Talvez deva tentar algumas variações de ortografia:
complex cause » complex causes (Expandir a Pesquisa), complex case (Expandir a Pesquisa), complex care (Expandir a Pesquisa)
oil complex » msl complex (Expandir a Pesquisa), model complex (Expandir a Pesquisa), cell complex (Expandir a Pesquisa)
cause now » cause non (Expandir a Pesquisa), cause new (Expandir a Pesquisa), abuse now (Expandir a Pesquisa)
oil coal » oil can (Expandir a Pesquisa)
coal cal » coal coal (Expandir a Pesquisa), coal char (Expandir a Pesquisa), coal cake (Expandir a Pesquisa)
a newly » _ newly (Expandir a Pesquisa)
cal now » call now (Expandir a Pesquisa), canal now (Expandir a Pesquisa), cell now (Expandir a Pesquisa)
l com » l como (Expandir a Pesquisa), e com (Expandir a Pesquisa), l con (Expandir a Pesquisa)
5 oil » _ oil (Expandir a Pesquisa), 5 il (Expandir a Pesquisa), l oil (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.

• Se retirar as aspas poderá fazer uma pesquisa mais abragente: (( j l com a newly ) OR ((( 5 oil complex cause now ) OR ( 3 oil coal cal now ))))~.