Talvez deva tentar algumas variações de ortografia:
complex trial » complex atrial (Expandir a Pesquisa), complex tibial (Expandir a Pesquisa), complex tropical (Expandir a Pesquisa)
metal complex » metal complexes (Expandir a Pesquisa)
carlos nojek » carlos nunez (Expandir a Pesquisa), carlos nunes (Expandir a Pesquisa), carlos nejar (Expandir a Pesquisa)
know carlos » knopf carlos (Expandir a Pesquisa), dow carlos (Expandir a Pesquisa)
trial nora » trial noa (Expandir a Pesquisa), trial nor (Expandir a Pesquisa), trial north (Expandir a Pesquisa)
combs non » combs john (Expandir a Pesquisa), combat non (Expandir a Pesquisa), combs jan (Expandir a Pesquisa)
nacl know » nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa)
non net » non nest (Expandir a Pesquisa), con net (Expandir a Pesquisa), non nef (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 _ combs non net ) or ((( 5 metal complex trial nora ) or ( 3.5 nacl know carlos nojek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs non net ) OR ((( 5 metal complex trial nora ) OR ( 3.5 nacl know carlos nojek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs non net ) or ((( 5 metal complex trial nora ) or ( 3.5 nacl know carlos nojek ))))*.