Talvez deva tentar algumas variações de ortografia:
centner serve » center servers (Expandir a Pesquisa), center service (Expandir a Pesquisa), center survey (Expandir a Pesquisa)
nerves based » curves based (Expandir a Pesquisa)
benign serve » benign nerve (Expandir a Pesquisa), benign serum (Expandir a Pesquisa), benign serous (Expandir a Pesquisa)
bent nerves » bent nerve (Expandir a Pesquisa), dental nerves (Expandir a Pesquisa), rodent nerves (Expandir a Pesquisa)
serve _ase » server based (Expandir a Pesquisa)
j centner » j center (Expandir a Pesquisa), m centner (Expandir a Pesquisa), _ entner (Expandir a Pesquisa)
ii benign » i benign (Expandir a Pesquisa), a benign (Expandir a Pesquisa)
based di » based dir (Expandir a Pesquisa), based diet (Expandir a Pesquisa), based disk (Expandir a Pesquisa)
_ase di » base di (Expandir a Pesquisa), case di (Expandir a Pesquisa), fase di (Expandir a Pesquisa)
j bent » j benet (Expandir a Pesquisa), j bento (Expandir a Pesquisa), j bena (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 centner serve _ dis ) or ((( j bent nerves based di ) or ( ii benign serve _ase di ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j centner serve _ dis ) OR ((( j bent nerves based di ) OR ( ii benign serve _ase di ))))*.