Talvez deva tentar algumas variações de ortografia:
ballet company » salient company (Expandir a Pesquisa), smaller company (Expandir a Pesquisa), asset company (Expandir a Pesquisa)
trial compared » trial comparing (Expandir a Pesquisa), survival compared (Expandir a Pesquisa), trials comparing (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
company law » company a (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
j ballet » bj ballet (Expandir a Pesquisa), _ ballet (Expandir a Pesquisa), o ballet (Expandir a Pesquisa)
j trial » pj trial (Expandir a Pesquisa), jj trials (Expandir a Pesquisa), j triana (Expandir a Pesquisa)
law new » jaw new (Expandir a Pesquisa)
i chir » i chiro (Expandir a Pesquisa), i chih (Expandir a Pesquisa), i chiu (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 i chir _ netw ) OR ( j trial compared can netw ))) OR ( j ballet company law new ))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j i chir _ netw ) OR ( j trial compared can netw ))) OR ( j ballet company law new ))*.