Talvez deva tentar algumas variações de ortografia:
reveal complex » reveals complex (Expandir a Pesquisa), several complex (Expandir a Pesquisa)
carlos zavala » carlos ayala (Expandir a Pesquisa), carlos zapata (Expandir a Pesquisa), cortes zavala (Expandir a Pesquisa)
complex than » complex trait (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
kcl carlos » kuhl carlos (Expandir a Pesquisa), gil carlos (Expandir a Pesquisa), l carlos (Expandir a Pesquisa)
john new » john agnew (Expandir a Pesquisa), john neil (Expandir a Pesquisa), john n (Expandir a Pesquisa)
5 reveal » 5 reveals (Expandir a Pesquisa), 25 reveal (Expandir a Pesquisa), 5 revealed (Expandir a Pesquisa)
than ngo » thang ngo (Expandir a Pesquisa), thanh ngo (Expandir a Pesquisa), thuan ngo (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
nacl » natl (Expandir a Pesquisa), nac (Expandir a Pesquisa), nucl (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 e combs john new ) or ((( 5 reveal complex than ngo ) or ( m nacl kcl carlos zavala ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs john new ) OR ((( 5 reveal complex than ngo ) OR ( m nacl kcl carlos zavala )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs john new ) or ((( 5 reveal complex than ngo ) or ( m nacl kcl carlos zavala ))))*.