Talvez deva tentar algumas variações de ortografia:
computer case » computer based (Expandir a Pesquisa), computer code (Expandir a Pesquisa), computer can (Expandir a Pesquisa)
la computer » a computer (Expandir a Pesquisa), via computer (Expandir a Pesquisa), uxa computer (Expandir a Pesquisa)
chimie dan » chimie dans (Expandir a Pesquisa), chimie sans (Expandir a Pesquisa), chimie a (Expandir a Pesquisa)
la chimie » de chimie (Expandir a Pesquisa)
case netw » case new (Expandir a Pesquisa), case note (Expandir a Pesquisa), case near (Expandir a Pesquisa)
comb canc » comb cic (Expandir a Pesquisa)
canc netw » canc lett (Expandir a Pesquisa)
dan non » than non (Expandir a Pesquisa), dan ning (Expandir a Pesquisa)
a comb » a combat (Expandir a Pesquisa)
j la » j l (Expandir a Pesquisa), j da (Expandir a Pesquisa), j li (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: (((( j la chimie dan non ) OR ( j la computer case netw ))) OR ( j a comb canc netw ))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(((( j la chimie dan non ) OR ( j la computer case netw ))) OR ( j a comb canc netw ))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j la chimie dan non ) OR ( j la computer case netw ))) OR ( j a comb canc netw ))*.