Talvez deva tentar algumas variações de ortografia:
guest complex » guest complexes (Expandir a Pesquisa)
toomas jason » thomas jason (Expandir a Pesquisa), toombs jason (Expandir a Pesquisa), coombs jason (Expandir a Pesquisa)
complex tres » complex tree (Expandir a Pesquisa), complex trex (Expandir a Pesquisa), complex tris (Expandir a Pesquisa)
knopf carlos » prof carlos (Expandir a Pesquisa)
carlos rojek » carlos nojek (Expandir a Pesquisa), carlos rojas (Expandir a Pesquisa), carlos roger (Expandir a Pesquisa)
nacl knopf » nacl kno (Expandir a Pesquisa)
tres ngoc » trieu ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), tien ngoc (Expandir a Pesquisa)
l toomas » l thomas (Expandir a Pesquisa), l tomas (Expandir a Pesquisa), l tommaso (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
jason a » jason _ (Expandir a Pesquisa)
5 guest » _ guest (Expandir a Pesquisa), d guest (Expandir a Pesquisa), a guest (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 toomas jason a ) or ((( 5 guest complex tres ngoc ) or ( 7.5 nacl knopf carlos rojek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l toomas jason a ) OR ((( 5 guest complex tres ngoc ) OR ( 7.5 nacl knopf carlos rojek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l toomas jason a ) or ((( 5 guest complex tres ngoc ) or ( 7.5 nacl knopf carlos rojek ))))*.