Talvez deva tentar algumas variações de ortografia:
ferrocene derived » ferrocene derivatives (Expandir a Pesquisa)
derived chest » derived cast (Expandir a Pesquisa), derived chef (Expandir a Pesquisa), derived chemo (Expandir a Pesquisa)
system dis » system dias (Expandir a Pesquisa), system dcs (Expandir a Pesquisa), system di (Expandir a Pesquisa)
mehta free » mehta amee (Expandir a Pesquisa), mehta frcs (Expandir a Pesquisa), mehta preeti (Expandir a Pesquisa)
bet drive » belt drive (Expandir a Pesquisa), belt drives (Expandir a Pesquisa), beta driven (Expandir a Pesquisa)
chest dis » chest dogs (Expandir a Pesquisa), chest dog (Expandir a Pesquisa), chest drains (Expandir a Pesquisa)
ca2 dyes » ca2 de (Expandir a Pesquisa)
_ mehta » a mehta (Expandir a Pesquisa)
i bet » i beta (Expandir a Pesquisa), _ bet (Expandir a Pesquisa), a bet (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: (( i bet drive system dis ) or ((( _ mehta free ca2 dyes ) or ( _ ferrocene derived chest dis ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i bet drive system dis ) OR ((( _ mehta free ca2 dyes ) OR ( _ ferrocene derived chest dis )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i bet drive system dis ) or ((( _ mehta free ca2 dyes ) or ( _ ferrocene derived chest dis ))))*.