Talvez deva tentar algumas variações de ortografia:
nacl impaired » al impaired (Expandir a Pesquisa), renal impaired (Expandir a Pesquisa), focal impaired (Expandir a Pesquisa)
impaired th1 » impaired toll (Expandir a Pesquisa), impaired _ (Expandir a Pesquisa), impaired a (Expandir a Pesquisa)
nayl clamp » tail clamp (Expandir a Pesquisa)
th1 ngoc » ho ngoc (Expandir a Pesquisa), chu ngoc (Expandir a Pesquisa), th1 non (Expandir a Pesquisa)
y campo » a campo (Expandir a Pesquisa), y cambio (Expandir a Pesquisa)
campo c » campo _ (Expandir a Pesquisa), campo a (Expandir a Pesquisa), campo con (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
j nayl » a nayl (Expandir a Pesquisa), j nay (Expandir a Pesquisa), j nail (Expandir a Pesquisa)
c ngoc » _ ngoc (Expandir a Pesquisa), b ngoc (Expandir a Pesquisa), d ngoc (Expandir a Pesquisa)
a now » a non (Expandir a Pesquisa), _ now (Expandir a Pesquisa), a nos (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: (( 3 nacl impaired th1 ngoc ) or ((( j nayl clamp ((a now) OR (a new)) ) or ( j y campo c ngoc ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 3 nacl impaired th1 ngoc ) OR ((( j nayl clamp ((a now) OR (a new)) ) OR ( j y campo c ngoc )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( 3 nacl impaired th1 ngoc ) or ((( j nayl clamp ((a now) OR (a new)) ) or ( j y campo c ngoc ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 3 nacl impaired th1 ngoc ) or ((( j nayl clamp ((a now) OR (a new)) ) or ( j y campo c ngoc ))))*.