Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex cell » complex cells (Expandir a Pesquisa), complex case (Expandir a Pesquisa), complex care (Expandir a Pesquisa)
oil company » oil companies (Expandir a Pesquisa)
company car » company case (Expandir a Pesquisa), company a (Expandir a Pesquisa), company carlos (Expandir a Pesquisa)
cycles can » cycles a (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
cell nest » cell test (Expandir a Pesquisa)
2 cycles » _ cycles (Expandir a Pesquisa), 4 cycles (Expandir a Pesquisa), 2 cyclic (Expandir a Pesquisa)
a metal » a meta (Expandir a Pesquisa)
car now » care now (Expandir a Pesquisa), car non (Expandir a Pesquisa), cpr now (Expandir a Pesquisa)
l oil » _ 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 2 cycles can newts ) OR ((( a metal complex cell nest ) OR ( l oil company car now ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j 2 cycles can newts ) OR ((( a metal complex cell nest ) OR ( l oil company car now ))))*.