Talvez deva tentar algumas variações de ortografia:
reaction system » prediction system (Expandir a Pesquisa), detection system (Expandir a Pesquisa), selection system (Expandir a Pesquisa)
absent reaction » absent reduction (Expandir a Pesquisa), patient reaction (Expandir a Pesquisa), absent selection (Expandir a Pesquisa)
absent serve » absent nerve (Expandir a Pesquisa), absent gene (Expandir a Pesquisa), absent self (Expandir a Pesquisa)
mental serve » mental nerve (Expandir a Pesquisa), mental survey (Expandir a Pesquisa), mental nerves (Expandir a Pesquisa)
serve cat » nerve cat (Expandir a Pesquisa), serve a (Expandir a Pesquisa), service cats (Expandir a Pesquisa)
system di » system de (Expandir a Pesquisa), system d (Expandir a Pesquisa), system dias (Expandir a Pesquisa)
j mental » j mengual (Expandir a Pesquisa), j mena (Expandir a Pesquisa), j mehta (Expandir a Pesquisa)
j absent » l absent (Expandir a Pesquisa), 17 absent (Expandir a Pesquisa), c1 absent (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: (( _ absent serve cat due ) or ((( j mental serve cat due ) or ( j absent reaction system di ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ absent serve cat due ) OR ((( j mental serve cat due ) OR ( j absent reaction system di ))))*.