Talvez deva tentar algumas variações de ortografia:
driven system » drive system (Expandir a Pesquisa), drive systems (Expandir a Pesquisa)
delay derived » delays derived (Expandir a Pesquisa), delay driven (Expandir a Pesquisa), display derived (Expandir a Pesquisa)
theta driven » beta driven (Expandir a Pesquisa), theme driven (Expandir a Pesquisa), therapy driven (Expandir a Pesquisa)
derived fast » derived mast (Expandir a Pesquisa), derived fas (Expandir a Pesquisa), derived cast (Expandir a Pesquisa)
system dcs » system dcus (Expandir a Pesquisa), system sdcs (Expandir a Pesquisa), system des (Expandir a Pesquisa)
nehal cat » lethal cat (Expandir a Pesquisa), nehal a (Expandir a Pesquisa)
cat diets » fat diets (Expandir a Pesquisa), salt diets (Expandir a Pesquisa), cult diets (Expandir a Pesquisa)
a theta » a thea (Expandir a Pesquisa)
j mehta » a mehta (Expandir a Pesquisa), _ mehta (Expandir a Pesquisa), k mehta (Expandir a Pesquisa)
_ delay » _ delayed (Expandir a Pesquisa)
fast d » fast 3d (Expandir a Pesquisa), fast _ (Expandir a Pesquisa), fast a (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: (( a theta driven system dcs ) or ((( j mehta nehal cat diets ) or ( _ delay derived fast d ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( a theta driven system dcs ) OR ((( j mehta nehal cat diets ) OR ( _ delay derived fast d )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( a theta driven system dcs ) or ((( j mehta nehal cat diets ) or ( _ delay derived fast d ))))*.