Talvez deva tentar algumas variações de ortografia:
tool compound » thiol compounds (Expandir a Pesquisa), novel compound (Expandir a Pesquisa), model compound (Expandir a Pesquisa)
compound phan » compound phase (Expandir a Pesquisa), compound pac (Expandir a Pesquisa), compounds phacs (Expandir a Pesquisa)
combe can » combe juan (Expandir a Pesquisa), combe jean (Expandir a Pesquisa), combe c (Expandir a Pesquisa)
phan ngoc » pham ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), ha ngoc (Expandir a Pesquisa)
can netw » can new (Expandir a Pesquisa), can net (Expandir a Pesquisa), can newts (Expandir a Pesquisa)
l combe » la combe (Expandir a Pesquisa), _ combe (Expandir a Pesquisa), l combs (Expandir a Pesquisa)
l pombe » _ pombe (Expandir a Pesquisa), l pombo (Expandir a Pesquisa), l pomace (Expandir a Pesquisa)
pombe a » pombe _ (Expandir a Pesquisa)
a never » _ never (Expandir a Pesquisa)
j tool » j topol (Expandir a Pesquisa), j toole (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: (((( j l combe can netw ) OR ( j l pombe a never ))) OR ( j tool compound phan ngoc ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j l combe can netw ) or ( j l pombe a never ))) or ( j tool compound phan ngoc ))*.