Talvez deva tentar algumas variações de ortografia:
glasses derived » glass derived (Expandir a Pesquisa), losses derived (Expandir a Pesquisa), elastases derived (Expandir a Pesquisa)
develop them » develop type (Expandir a Pesquisa), develop age (Expandir a Pesquisa)
drug glasses » drug classes (Expandir a Pesquisa), drug losses (Expandir a Pesquisa), drug class (Expandir a Pesquisa)
derived type » derived three (Expandir a Pesquisa), derived tgf (Expandir a Pesquisa), derived tnf (Expandir a Pesquisa)
bse develop » we develop (Expandir a Pesquisa), age develop (Expandir a Pesquisa), e develop (Expandir a Pesquisa)
does devel » does level (Expandir a Pesquisa), does deep (Expandir a Pesquisa), does novel (Expandir a Pesquisa)
devel ther » novel ther (Expandir a Pesquisa), level theory (Expandir a Pesquisa)
drug does » drug doses (Expandir a Pesquisa), drugs does (Expandir a Pesquisa), drug dose (Expandir a Pesquisa)
drug bse » drug abuse (Expandir a Pesquisa), drug based (Expandir a Pesquisa), drug able (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: (((( drug does devel ther ) OR ( drug bse develop them ))) OR ( drug glasses derived type ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( drug does devel ther ) or ( drug bse develop them ))) or ( drug glasses derived type ))*.