Talvez deva tentar algumas variações de ortografia:
graft combined » grafting combined (Expandir a Pesquisa)
work compared » worse compared (Expandir a Pesquisa), week compared (Expandir a Pesquisa), workers compared (Expandir a Pesquisa)
combined dan » combined day (Expandir a Pesquisa), combined dance (Expandir a Pesquisa), combined data (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
rat compare » rat compared (Expandir a Pesquisa), rate compare (Expandir a Pesquisa), rats compare (Expandir a Pesquisa)
law need » law needs (Expandir a Pesquisa), low need (Expandir a Pesquisa), now need (Expandir a Pesquisa)
dan non » than non (Expandir a Pesquisa), dan ning (Expandir a Pesquisa)
a work » a word (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: (( a graft combined dan non ) or ((( a work compared law need ) or ( j rat compare _ new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a graft combined dan non ) OR ((( a work compared law need ) OR ( j rat compare _ new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a graft combined dan non ) or ((( a work compared law need ) or ( j rat compare _ new ))))*.