Talvez deva tentar algumas variações de ortografia:
current active » current activated (Expandir a Pesquisa), concurrent active (Expandir a Pesquisa), current practice (Expandir a Pesquisa)
mental nerve » ventral nerve (Expandir a Pesquisa), central nerve (Expandir a Pesquisa), renal nerve (Expandir a Pesquisa)
renal merve » renal nerve (Expandir a Pesquisa), senal merve (Expandir a Pesquisa), renal nerves (Expandir a Pesquisa)
active ca » active c (Expandir a Pesquisa), active case (Expandir a Pesquisa), activate ca (Expandir a Pesquisa)
case does » cases does (Expandir a Pesquisa), cause does (Expandir a Pesquisa), case goes (Expandir a Pesquisa)
merve can » nerve can (Expandir a Pesquisa)
i mental » vi mental (Expandir a Pesquisa), ii mental (Expandir a Pesquisa), i metal (Expandir a Pesquisa)
j renal » j real (Expandir a Pesquisa), j renaldi (Expandir a Pesquisa), j renato (Expandir a Pesquisa)
can dcs » can tdcs (Expandir a Pesquisa), can dce (Expandir a Pesquisa), can dags (Expandir a Pesquisa)
ca dis » la dis (Expandir a Pesquisa), da dis (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: (((( _ current active ca dis ) or ( i mental nerve case does ))) or ( j renal merve can dcs ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ current active ca dis ) OR ( i mental nerve case does ))) OR ( j renal merve can dcs ))*.