Talvez deva tentar algumas variações de ortografia:
masters them » master them (Expandir a Pesquisa), masters thao (Expandir a Pesquisa), masters thomas (Expandir a Pesquisa)
mated system » coated system (Expandir a Pesquisa), heated system (Expandir a Pesquisa), based system (Expandir a Pesquisa)
maier viola » lanier viola (Expandir a Pesquisa), walter viola (Expandir a Pesquisa)
beier viola » lanier viola (Expandir a Pesquisa)
maier emar » maier marc (Expandir a Pesquisa), maier eva (Expandir a Pesquisa), maier tamara (Expandir a Pesquisa)
j masters » _ masters (Expandir a Pesquisa), l masters (Expandir a Pesquisa), a masters (Expandir a Pesquisa)
system e » system ems (Expandir a Pesquisa)
emar med » ar med (Expandir a Pesquisa), emar el (Expandir a Pesquisa), emara md (Expandir a Pesquisa)
j mated » j mateu (Expandir a Pesquisa), j mateo (Expandir a Pesquisa), j mater (Expandir a Pesquisa)
e maier » b maier (Expandir a Pesquisa), _ maier (Expandir a Pesquisa), a maier (Expandir a Pesquisa)
them b » them _ (Expandir a Pesquisa), them a (Expandir a Pesquisa), them c (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 mated system e maier emar med ) or ( j masters them b ((maier viola) OR (beier viola)) d ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j mated system e maier emar med ) OR ( j masters them b ((maier viola) OR (beier viola)) d )).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j mated system e maier emar med ) or ( j masters them b ((maier viola) OR (beier viola)) d ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j mated system e maier emar med ) or ( j masters them b ((maier viola) OR (beier viola)) d ))*.