Talvez deva tentar algumas variações de ortografia:
coombes jason » coombs jason (Expandir a Pesquisa), toombs jason (Expandir a Pesquisa), coombes janine (Expandir a Pesquisa)
metal complex » metal complexes (Expandir a Pesquisa)
complex tres » complex tree (Expandir a Pesquisa), complex trex (Expandir a Pesquisa), complex tris (Expandir a Pesquisa)
carlos nejar » carlos negrao (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa)
cano carlos » luciano carlos (Expandir a Pesquisa), casiano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa)
m coombes » k coombes (Expandir a Pesquisa), l coomber (Expandir a Pesquisa)
tres ngoc » trieu ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), tien ngoc (Expandir a Pesquisa)
nac cano » a cano (Expandir a Pesquisa), c cano (Expandir a Pesquisa), ac can (Expandir a Pesquisa)
jason c » jason _ (Expandir a Pesquisa), jason a (Expandir a Pesquisa)
5 metal » 5 metil (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
3.5 nac » 3.5 nacl (Expandir a Pesquisa), 7.5 nacl (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 m coombes jason c ) or ((( 5 metal complex tres ngoc ) or ( 3.5 nac cano carlos nejar ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m coombes jason c ) OR ((( 5 metal complex tres ngoc ) OR ( 3.5 nac cano carlos nejar )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m coombes jason c ) or ((( 5 metal complex tres ngoc ) or ( 3.5 nac cano carlos nejar ))))*.