Talvez deva tentar algumas variações de ortografia:
heads compared » head compared (Expandir a Pesquisa), herds compared (Expandir a Pesquisa), seeds compared (Expandir a Pesquisa)
rat compared » rats compared (Expandir a Pesquisa), rate compared (Expandir a Pesquisa), fat compared (Expandir a Pesquisa)
compared law » compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa), computer law (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa)
fat camp » fat amp (Expandir a Pesquisa), fat can (Expandir a Pesquisa), fat case (Expandir a Pesquisa)
camp can » clamp can (Expandir a Pesquisa), camp ca (Expandir a Pesquisa), amp can (Expandir a Pesquisa)
j heads » j head (Expandir a Pesquisa), j headd (Expandir a Pesquisa), j heales (Expandir a Pesquisa)
law new » jaw new (Expandir a Pesquisa)
can net » can next (Expandir a Pesquisa), can new (Expandir a Pesquisa), dan net (Expandir a Pesquisa)
a netw » a neto (Expandir a Pesquisa), a neta (Expandir a Pesquisa), a netb (Expandir a Pesquisa)
j rat » j rath (Expandir a Pesquisa), _ rat (Expandir a Pesquisa), a rat (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Performing a fuzzy search may retrieve terms with similar spellings: (((( j heads compared a netw ) or ( j rat compared law new ))) or ( _ fat camp can net ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j heads compared a netw ) OR ( j rat compared law new ))) OR ( _ fat camp can net )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j heads compared a netw ) or ( j rat compared law new ))) or ( _ fat camp can net ))*.