Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
composti yen » compost en (Expandir a Pesquisa), compost de (Expandir a Pesquisa), compost bin (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carlos noel » carlos joel (Expandir a Pesquisa), carlos noe (Expandir a Pesquisa), carlos yoel (Expandir a Pesquisa)
l composti » el compost (Expandir a Pesquisa), _ composting (Expandir a Pesquisa), el composteo (Expandir a Pesquisa)
yen neue » yen nee (Expandir a Pesquisa), den neuen (Expandir a Pesquisa), yen nhu (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
5 metal » 5 metil (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
ngoc » ngo (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 l composti yen neue ) or ((( 5 metal complex tran ngoc ) or ( 7.5 nacl _ carlos noel ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l composti yen neue ) OR ((( 5 metal complex tran ngoc ) OR ( 7.5 nacl _ carlos noel )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l composti yen neue ) or ((( 5 metal complex tran ngoc ) or ( 7.5 nacl _ carlos noel ))))*.