Talvez deva tentar algumas variações de ortografia:
under observed » under served (Expandir a Pesquisa), cancer observed (Expandir a Pesquisa), fever observed (Expandir a Pesquisa)
narvaez david » narvaez javier (Expandir a Pesquisa), narvaez daniel (Expandir a Pesquisa), narvaez darcia (Expandir a Pesquisa)
observed cn » observed co (Expandir a Pesquisa), observed cu (Expandir a Pesquisa), observed dna (Expandir a Pesquisa)
david does » david dos (Expandir a Pesquisa), david dees (Expandir a Pesquisa), david doey (Expandir a Pesquisa)
mena nerve » mental nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa), menan herve (Expandir a Pesquisa)
case goals » care goals (Expandir a Pesquisa), based goals (Expandir a Pesquisa), same goals (Expandir a Pesquisa)
j benito » j benitez (Expandir a Pesquisa)
j under » tj under (Expandir a Pesquisa), j unger (Expandir a Pesquisa), j undem (Expandir a Pesquisa)
cn dis » en dis (Expandir a Pesquisa), nn dis (Expandir a Pesquisa)
j mena » j medina (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 under observed cn dis ) or ((( j benito narvaez david does ) or ( j mena nerve case goals ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j under observed cn dis ) OR ((( j benito narvaez david does ) OR ( j mena nerve case goals )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j under observed cn dis ) or ((( j benito narvaez david does ) or ( j mena nerve case goals ))))*.