Talvez deva tentar algumas variações de ortografia:
guest complex » guest complexes (Expandir a Pesquisa)
tomasz jason » tomasz jan (Expandir a Pesquisa), tomasz lyson (Expandir a Pesquisa), tomasz jarosz (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
carlos roger » carlos rogerio (Expandir a Pesquisa), carlos romero (Expandir a Pesquisa), carlos robert (Expandir a Pesquisa)
nabr carlos » najar carlos (Expandir a Pesquisa), mar carlos (Expandir a Pesquisa), nassar carlos (Expandir a Pesquisa)
nacl nabr » nacl kbr (Expandir a Pesquisa), nacl nano (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
j zal » j zaal (Expandir a Pesquisa), j zale (Expandir a Pesquisa), j zar (Expandir a Pesquisa)
ngoc » ngo (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 zal tomasz jason _ ) OR ((( _ guest complex tran ngoc ) OR ( 7.5 nacl nabr carlos roger ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j zal tomasz jason _ ) OR ((( _ guest complex tran ngoc ) OR ( 7.5 nacl nabr carlos roger ))))*".