Talvez deva tentar algumas variações de ortografia:
impaired thuan » impaired than (Expandir a Pesquisa), impaired threat (Expandir a Pesquisa), impaired th1 (Expandir a Pesquisa)
nacl impaired » al impaired (Expandir a Pesquisa), renal impaired (Expandir a Pesquisa), early impaired (Expandir a Pesquisa)
nancy campi » nancy capin (Expandir a Pesquisa), nancy cardia (Expandir a Pesquisa)
thuan ngoc » tuan ngoc (Expandir a Pesquisa), thuan ngo (Expandir a Pesquisa), nhuan ngoc (Expandir a Pesquisa)
j cofala » j coal (Expandir a Pesquisa), j coale (Expandir a Pesquisa), j cola (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
campi a » campi de (Expandir a Pesquisa)
j nacl » m nacl (Expandir a Pesquisa), j nail (Expandir a Pesquisa), b nacl (Expandir a Pesquisa)
a ngoc » ha ngoc (Expandir a Pesquisa), ta ngoc (Expandir a Pesquisa), la ngoc (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 impaired thuan ngoc ) OR ((( j cofala clamp a now ) OR ( j nancy campi a ngoc ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j nacl impaired thuan ngoc ) OR ((( j cofala clamp a now ) OR ( j nancy campi a ngoc ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j nacl impaired thuan ngoc ) OR ((( j cofala clamp a now ) OR ( j nancy campi a ngoc ))))*.