Talvez deva tentar algumas variações de ortografia:
diet compared » test compared (Expandir a Pesquisa), ct compared (Expandir a Pesquisa), diet combined (Expandir a Pesquisa)
company law » company a (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
law now » laws now (Expandir a Pesquisa), law new (Expandir a Pesquisa), law non (Expandir a Pesquisa)
e camp » e campo (Expandir a Pesquisa), de camp (Expandir a Pesquisa), e camps (Expandir a Pesquisa)
j diet » j dietz (Expandir a Pesquisa), 6j diet (Expandir a Pesquisa), j diez (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (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 e camp can netw ) OR ((( j diet compared a netw ) OR ( j a company law now ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e camp can netw ) OR ((( j diet compared a netw ) OR ( j a company law now ))))*.