Talvez deva tentar algumas variações de ortografia:
impaired than » impaired th1 (Expandir a Pesquisa), impaired hand (Expandir a Pesquisa), impaired th17 (Expandir a Pesquisa)
nancy campi » nancy capin (Expandir a Pesquisa), nancy cardia (Expandir a Pesquisa)
coll clamp » coli clamp (Expandir a Pesquisa), cell clamp (Expandir a Pesquisa), coil clamp (Expandir a Pesquisa)
than ngoc » thanh ngoc (Expandir a Pesquisa), thuan ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
campi da » campi de (Expandir a Pesquisa), campi a (Expandir a Pesquisa), campi di (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
da ngoc » dao ngoc (Expandir a Pesquisa), dac ngoc (Expandir a Pesquisa), dan ngoc (Expandir a Pesquisa)
j coll » j cole (Expandir a Pesquisa), j coal (Expandir a Pesquisa), j cola (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: (( j (nacl OR nac) impaired than ngoc ) or ((( j coll clamp a now ) or ( j nancy campi da ngoc ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j (nacl OR nac) impaired than ngoc ) OR ((( j coll clamp a now ) OR ( j nancy campi da ngoc )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j (nacl OR nac) impaired than ngoc ) or ((( j coll clamp a now ) or ( j nancy campi da ngoc ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j (nacl OR nac) impaired than ngoc ) or ((( j coll clamp a now ) or ( j nancy campi da ngoc ))))*.