Talvez deva tentar algumas variações de ortografia:
complex trieu » complex trial (Expandir a Pesquisa), complex tree (Expandir a Pesquisa), complex trex (Expandir a Pesquisa)
coombs jason » coombes jason (Expandir a Pesquisa), toombs jason (Expandir a Pesquisa), cooper jason (Expandir a Pesquisa)
set1 complex » pat1 complex (Expandir a Pesquisa), t1 complex (Expandir a Pesquisa), mre11 complex (Expandir a Pesquisa)
trieu ngoc » tieu ngoc (Expandir a Pesquisa), trieu ngoa (Expandir a Pesquisa), trinh ngoc (Expandir a Pesquisa)
jr carlos » dr carlos (Expandir a Pesquisa), jr charles (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
jason a » jason _ (Expandir a Pesquisa)
nacl jr » nacl kbr (Expandir a Pesquisa), nacl por (Expandir a Pesquisa)
a set1 » _ set1 (Expandir a Pesquisa), a sete (Expandir a Pesquisa), a seth (Expandir a Pesquisa)
nunez » nunes (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 _ coombs jason a ) or ((( a set1 complex trieu ngoc ) or ( 3.5 nacl jr carlos nunez ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ coombs jason a ) OR ((( a set1 complex trieu ngoc ) OR ( 3.5 nacl jr carlos nunez )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ coombs jason a ) or ((( a set1 complex trieu ngoc ) or ( 3.5 nacl jr carlos nunez ))))*.