Talvez deva tentar algumas variações de ortografia:
complex tears » complex traits (Expandir a Pesquisa), complex trait (Expandir a Pesquisa), complex than (Expandir a Pesquisa)
najar carlos » nejar carlos (Expandir a Pesquisa), fajardo carlos (Expandir a Pesquisa), baltar carlos (Expandir a Pesquisa)
carlos kosek » carlos kose (Expandir a Pesquisa), carlos kosera (Expandir a Pesquisa), carlos jose (Expandir a Pesquisa)
yet complex » cst complex (Expandir a Pesquisa), ift complex (Expandir a Pesquisa), git complex (Expandir a Pesquisa)
nacl najar » al najar (Expandir a Pesquisa), nacl nabr (Expandir a Pesquisa)
ms toombs » m coombs (Expandir a Pesquisa)
jason a » jason _ (Expandir a Pesquisa)
5 yet » _ yet (Expandir a Pesquisa), a yet (Expandir a Pesquisa), 5 et (Expandir a Pesquisa)
j ms » j m (Expandir a Pesquisa), j ma (Expandir a Pesquisa), j mc (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 ms toombs jason a ) OR ((( 5 yet complex tears ngoc ) OR ( 0.9 nacl najar carlos kosek ))))~.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j ms toombs jason a ) OR ((( 5 yet complex tears ngoc ) OR ( 0.9 nacl najar carlos kosek ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j ms toombs jason a ) OR ((( 5 yet complex tears ngoc ) OR ( 0.9 nacl najar carlos kosek ))))*.