Talvez deva tentar algumas variações de ortografia:
train complex » brain complex (Expandir a Pesquisa), trail complex (Expandir a Pesquisa), grain complex (Expandir a Pesquisa)
complex trait » complex traits (Expandir a Pesquisa)
compsany case » company case (Expandir a Pesquisa), compliant case (Expandir a Pesquisa), company based (Expandir a Pesquisa)
comes clear » comes clean (Expandir a Pesquisa), becomes clear (Expandir a Pesquisa), choices clear (Expandir a Pesquisa)
trait ngo » trait co (Expandir a Pesquisa)
case new » cases new (Expandir a Pesquisa), cause new (Expandir a Pesquisa), caste new (Expandir a Pesquisa)
l comes » l comps (Expandir a Pesquisa), l coles (Expandir a Pesquisa), l comas (Expandir a Pesquisa)
5 train » a train (Expandir a Pesquisa), c train (Expandir a Pesquisa), 5 trait (Expandir a Pesquisa)
3 nucl » 3 null (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 comes clear need ) or ((( 5 train complex trait ngo ) or ( 3 nucl compsany case new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comes clear need ) OR ((( 5 train complex trait ngo ) OR ( 3 nucl compsany case new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comes clear need ) or ((( 5 train complex trait ngo ) or ( 3 nucl compsany case new ))))*.