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 uk » observed up (Expandir a Pesquisa), observed use (Expandir a Pesquisa), observed aug (Expandir a Pesquisa)
david does » david dos (Expandir a Pesquisa), david dees (Expandir a Pesquisa), david doey (Expandir a Pesquisa)
meng nerve » long nerve (Expandir a Pesquisa), mental nerve (Expandir a Pesquisa), menguy herve (Expandir a Pesquisa)
j benito » j benitez (Expandir a Pesquisa)
nerve de » nerve due (Expandir a Pesquisa), nerve do (Expandir a Pesquisa), nerve does (Expandir a Pesquisa)
j under » tj under (Expandir a Pesquisa), j unger (Expandir a Pesquisa), j undem (Expandir a Pesquisa)
de goes » de goias (Expandir a Pesquisa)
uk dis » turk dis (Expandir a Pesquisa), uk diets (Expandir a Pesquisa)
j meng » j mena (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 uk dis ) or ((( j benito narvaez david does ) or ( j meng nerve de goes ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j under observed uk dis ) OR ((( j benito narvaez david does ) OR ( j meng nerve de goes )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j under observed uk dis ) or ((( j benito narvaez david does ) or ( j meng nerve de goes ))))*.