Talvez deva tentar algumas variações de ortografia:
burden company » burden compared (Expandir a Pesquisa), burden coping (Expandir a Pesquisa), burden common (Expandir a Pesquisa)
boy compared » body compared (Expandir a Pesquisa), boys compared (Expandir a Pesquisa), soy compared (Expandir a Pesquisa)
company law » company a (Expandir a Pesquisa)
compre can » compared can (Expandir a Pesquisa), complex can (Expandir a Pesquisa), comp can (Expandir a Pesquisa)
la compre » la compra (Expandir a Pesquisa), la compr (Expandir a Pesquisa), la copre (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
j burden » a burden (Expandir a Pesquisa), j burdon (Expandir a Pesquisa), j burton (Expandir a Pesquisa)
law note » law notes (Expandir a Pesquisa), law noise (Expandir a Pesquisa)
j boy » j boyd (Expandir a Pesquisa), j boys (Expandir a Pesquisa), j body (Expandir a Pesquisa)
j la » j a (Expandir a Pesquisa), j l (Expandir a Pesquisa), j da (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 la compre can newts ) or ( j boy compared _ newts ))) or ( j burden company law note ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j la compre can newts ) OR ( j boy compared _ newts ))) OR ( j burden company law note )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j la compre can newts ) or ( j boy compared _ newts ))) or ( j burden company law note ))*.