Talvez deva tentar algumas variações de ortografia:
metal complex » metal complexes (Expandir a Pesquisa)
complex trait » complex traits (Expandir a Pesquisa)
wilson joseph » wilson jose (Expandir a Pesquisa), sisson joseph (Expandir a Pesquisa), carlson joseph (Expandir a Pesquisa)
emily wilson » emily ewilson (Expandir a Pesquisa), emily winson (Expandir a Pesquisa), emily sisson (Expandir a Pesquisa)
john watt » john ward (Expandir a Pesquisa), john wang (Expandir a Pesquisa), john west (Expandir a Pesquisa)
m cooper » _ cooper (Expandir a Pesquisa), i cooper (Expandir a Pesquisa)
trait co » trait can (Expandir a Pesquisa), trait _ (Expandir a Pesquisa), trait a (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (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 m cooper john watt ) or ((( 5 metal complex trait co ) or ( 3.5 nacl emily wilson joseph ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m cooper john watt ) OR ((( 5 metal complex trait co ) OR ( 3.5 nacl emily wilson joseph )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m cooper john watt ) or ((( 5 metal complex trait co ) or ( 3.5 nacl emily wilson joseph ))))*.