Talvez deva tentar algumas variações de ortografia:
complex three » complex than (Expandir a Pesquisa), complex tones (Expandir a Pesquisa), complex time (Expandir a Pesquisa)
metal complex » metal complexes (Expandir a Pesquisa)
carlos nejar » carlos negrao (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa)
comes colin » combs colin (Expandir a Pesquisa), coles colin (Expandir a Pesquisa), tomes colin (Expandir a Pesquisa)
cano carlos » luciano carlos (Expandir a Pesquisa), casiano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa)
colin net » colin neil (Expandir a Pesquisa), colin n (Expandir a Pesquisa), colin n.a (Expandir a Pesquisa)
three nac » three na (Expandir a Pesquisa), three nad (Expandir a Pesquisa), three nano (Expandir a Pesquisa)
7.2 nucl » 7.2 nacl (Expandir a Pesquisa), 4.2 null (Expandir a Pesquisa)
l comes » l comps (Expandir a Pesquisa), l coles (Expandir a Pesquisa), l comas (Expandir a Pesquisa)
5 metal » 5 metil (Expandir a Pesquisa), 5 methyl (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 comes colin net ) or ((( 5 metal complex three nac ) or ( 7.2 nucl cano carlos nejar ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comes colin net ) OR ((( 5 metal complex three nac ) OR ( 7.2 nucl cano carlos nejar )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comes colin net ) or ((( 5 metal complex three nac ) or ( 7.2 nucl cano carlos nejar ))))*.