Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
carlos rojek » carlos nojek (Expandir a Pesquisa), carlos rojas (Expandir a Pesquisa), carlos roger (Expandir a Pesquisa)
complex trs » complex tris (Expandir a Pesquisa), complex tears (Expandir a Pesquisa), complex trans (Expandir a Pesquisa)
nano carlos » cano carlos (Expandir a Pesquisa), nino carlos (Expandir a Pesquisa), nuno carlos (Expandir a Pesquisa)
comps john » copps john (Expandir a Pesquisa), combs john (Expandir a Pesquisa), comisi john (Expandir a Pesquisa)
john neetu » john reetu (Expandir a Pesquisa), john neena (Expandir a Pesquisa), jain neetu (Expandir a Pesquisa)
nacl nano » nacl kno (Expandir a Pesquisa), nacl nabr (Expandir a Pesquisa), nacl naoh (Expandir a Pesquisa)
trs ngoc » tra ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), tram ngoc (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)
l comps » m comps (Expandir a Pesquisa)
5 metal » 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 comps john neetu ) or ((( 5 metal complex trs ngoc ) or ( 0.9 nacl nano carlos rojek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comps john neetu ) OR ((( 5 metal complex trs ngoc ) OR ( 0.9 nacl nano carlos rojek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comps john neetu ) or ((( 5 metal complex trs ngoc ) or ( 0.9 nacl nano carlos rojek ))))*.