Talvez deva tentar algumas variações de ortografia:
impaired strain » impaired brain (Expandir a Pesquisa), impaired skin (Expandir a Pesquisa), impaired stress (Expandir a Pesquisa)
real impaired » renal impaired (Expandir a Pesquisa), reveal impaired (Expandir a Pesquisa), really impaired (Expandir a Pesquisa)
strain ngoc » tran ngoc (Expandir a Pesquisa), strain nctc (Expandir a Pesquisa), strain nbrc (Expandir a Pesquisa)
nay clamp » a clamp (Expandir a Pesquisa), aaa clamp (Expandir a Pesquisa), can clamp (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
j real » j read (Expandir a Pesquisa)
_ nay » _ nayf (Expandir a Pesquisa), _ nad (Expandir a Pesquisa), _ nab (Expandir a Pesquisa)
j now » _ now (Expandir a Pesquisa), j new (Expandir a Pesquisa), i now (Expandir a Pesquisa)
amy a » amy l (Expandir a Pesquisa), amy e (Expandir a Pesquisa), amy m (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.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j real impaired strain ngoc ) OR ((( _ nay clamp j now ) OR ( j (gray OR gran) amy a now ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j real impaired strain ngoc ) or ((( _ nay clamp j now ) or ( j (gray OR gran) amy a now ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j real impaired strain ngoc ) or ((( _ nay clamp j now ) or ( j (gray OR gran) amy a now ))))*.