Talvez deva tentar algumas variações de ortografia:
model compared » model compound (Expandir a Pesquisa), model complex (Expandir a Pesquisa), model combined (Expandir a Pesquisa)
del romero » del numero (Expandir a Pesquisa), l romero (Expandir a Pesquisa), angel romero (Expandir a Pesquisa)
romero dan » romero adan (Expandir a Pesquisa), romero da (Expandir a Pesquisa), romer dan (Expandir a Pesquisa)
dan newton » jan newton (Expandir a Pesquisa), jean newton (Expandir a Pesquisa), chan newton (Expandir a Pesquisa)
compared a » compared _ (Expandir a Pesquisa), compare a (Expandir a Pesquisa), compare _ (Expandir a Pesquisa)
ca newts » can newts (Expandir a Pesquisa), _ newts (Expandir a Pesquisa), a newt (Expandir a Pesquisa)
camp ca » camp a (Expandir a Pesquisa), camp c (Expandir a Pesquisa), camp camp (Expandir a Pesquisa)
j model » j modolo (Expandir a Pesquisa), j monder (Expandir a Pesquisa)
l camp » cl camp (Expandir a Pesquisa), el camp (Expandir a Pesquisa), al camp (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), a non (Expandir a Pesquisa), _ now (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: (((( y del romero dan newton ) or ( j l camp ca newts ))) or ( j model compared a now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( y del romero dan newton ) OR ( j l camp ca newts ))) OR ( j model compared a now ))*.