Talvez deva tentar algumas variações de ortografia:
nacl impaired » al impaired (Expandir a Pesquisa), renal impaired (Expandir a Pesquisa), early impaired (Expandir a Pesquisa)
impaired th1 » impaired toll (Expandir a Pesquisa), impaired _ (Expandir a Pesquisa), impaired β (Expandir a Pesquisa)
tal clamp » tail clamp (Expandir a Pesquisa), a clamp (Expandir a Pesquisa), aaa clamp (Expandir a Pesquisa)
th1 non » t1 non (Expandir a Pesquisa), stf1 non (Expandir a Pesquisa), tag1 non (Expandir a Pesquisa)
clamp a » clamp _ (Expandir a Pesquisa), clamp j (Expandir a Pesquisa)
y campo » e campo (Expandir a Pesquisa), do campo (Expandir a Pesquisa), y cambio (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), m nacl (Expandir a Pesquisa), 3.5 nacl (Expandir a Pesquisa)
c ngoc » _ ngoc (Expandir a Pesquisa), b ngoc (Expandir a Pesquisa), h ngoc (Expandir a Pesquisa)
d ngoc » do ngoc (Expandir a Pesquisa), du ngoc (Expandir a Pesquisa), _ ngoc (Expandir a Pesquisa)
j tal » j tao (Expandir a Pesquisa), _ tal (Expandir a Pesquisa), j tan (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: (( 3 nacl impaired th1 non ) or ((( j tal clamp a now ) or ( j y campo ((c ngoc) OR (d ngoc)) ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 3 nacl impaired th1 non ) OR ((( j tal clamp a now ) OR ( j y campo ((c ngoc) OR (d ngoc)) )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( 3 nacl impaired th1 non ) or ((( j tal clamp a now ) or ( j y campo ((c ngoc) OR (d ngoc)) ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 3 nacl impaired th1 non ) or ((( j tal clamp a now ) or ( j y campo ((c ngoc) OR (d ngoc)) ))))*.