Talvez deva tentar algumas variações de ortografia:
complex cases » complex causes (Expandir a Pesquisa), complex case (Expandir a Pesquisa), complex care (Expandir a Pesquisa)
nucle complex » nuclei complex (Expandir a Pesquisa), nuclear complex (Expandir a Pesquisa), nucleus complex (Expandir a Pesquisa)
owned company » owned companies (Expandir a Pesquisa), lncd company (Expandir a Pesquisa)
company ball » company based (Expandir a Pesquisa), company bayer (Expandir a Pesquisa), company panel (Expandir a Pesquisa)
comme can » comme ca (Expandir a Pesquisa), comme cas (Expandir a Pesquisa), comme dans (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
cases now » cases new (Expandir a Pesquisa), cases non (Expandir a Pesquisa), case now (Expandir a Pesquisa)
ball new » all new (Expandir a Pesquisa), ball neil (Expandir a Pesquisa), small new (Expandir a Pesquisa)
l comme » _ comme (Expandir a Pesquisa), a comme (Expandir a Pesquisa), ele comme (Expandir a Pesquisa)
_ nucle » _ nuclei (Expandir a Pesquisa), _ nucleo (Expandir a Pesquisa), _ nuclea (Expandir a Pesquisa)
_ owned » _ owner (Expandir a Pesquisa), _ owners (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 comme can newts ) OR ((( _ nucle complex cases now ) OR ( _ owned company ball new ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comme can newts ) OR ((( _ nucle complex cases now ) OR ( _ owned company ball new ))))*.