Talvez deva tentar algumas variações de ortografia:
complex tissue » complex tissues (Expandir a Pesquisa), complex issues (Expandir a Pesquisa), complete issue (Expandir a Pesquisa)
carlos navarro » carmen navarro (Expandir a Pesquisa)
metal complex » metal complexes (Expandir a Pesquisa)
tissue smear » tissue shear (Expandir a Pesquisa), tissue similar (Expandir a Pesquisa), tissue sheath (Expandir a Pesquisa)
cargo carlos » cardo carlos (Expandir a Pesquisa), caro carlos (Expandir a Pesquisa), carlo carlos (Expandir a Pesquisa)
ao cargo » a cargo (Expandir a Pesquisa), do cargo (Expandir a Pesquisa), o cargo (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
combs c » combs _ (Expandir a Pesquisa)
5 metal » 5 methyl (Expandir a Pesquisa)
0.9 ao » 0.9 mo (Expandir a Pesquisa), 0.9 ag (Expandir a Pesquisa), 0.9 co (Expandir a Pesquisa)
c new » a new (Expandir a Pesquisa), _ new (Expandir a Pesquisa), c neu (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 e combs c new ) or ((( 5 metal complex tissue smear ) or ( 0.9 ao cargo carlos navarro ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs c new ) OR ((( 5 metal complex tissue smear ) OR ( 0.9 ao cargo carlos navarro )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs c new ) or ((( 5 metal complex tissue smear ) or ( 0.9 ao cargo carlos navarro ))))*.