Talvez deva tentar algumas variações de ortografia:
metals complex » metal complex (Expandir a Pesquisa), metals complexes (Expandir a Pesquisa), metals coupled (Expandir a Pesquisa)
complex tail » complex trait (Expandir a Pesquisa), complex task (Expandir a Pesquisa), complex thin (Expandir a Pesquisa)
ning carlos » nino carlos (Expandir a Pesquisa), nin carlos (Expandir a Pesquisa), ing carlos (Expandir a Pesquisa)
comes down » come down (Expandir a Pesquisa), goes down (Expandir a Pesquisa), comt down (Expandir a Pesquisa)
tail ngoc » tai ngoc (Expandir a Pesquisa), tail non (Expandir a Pesquisa)
nacl ning » nacl using (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa)
down noe » down nor (Expandir a Pesquisa), down now (Expandir a Pesquisa), down novel (Expandir a Pesquisa)
5 metals » 5 metal (Expandir a Pesquisa), 5 meters (Expandir a Pesquisa), 5 meta (Expandir a Pesquisa)
l comes » l comps (Expandir a Pesquisa), l coles (Expandir a Pesquisa), l comas (Expandir a Pesquisa)
nunez » nunes (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 down noe ) or ((( 5 metals complex tail ngoc ) or ( 0.9 nacl ning carlos nunez ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comes down noe ) OR ((( 5 metals complex tail ngoc ) OR ( 0.9 nacl ning carlos nunez )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comes down noe ) or ((( 5 metals complex tail ngoc ) or ( 0.9 nacl ning carlos nunez ))))*.