Talvez deva tentar algumas variações de ortografia:
animal complex » minimal complex (Expandir a Pesquisa), animal complexity (Expandir a Pesquisa), abnormal complex (Expandir a Pesquisa)
complex tail » complex trait (Expandir a Pesquisa), complex task (Expandir a Pesquisa), complex thin (Expandir a Pesquisa)
knopf carlos » prof carlos (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa), hobbs john (Expandir a Pesquisa)
nacl knopf » nacl kno (Expandir a Pesquisa)
carlos now » carlos noa (Expandir a Pesquisa), carlos noe (Expandir a Pesquisa), carlos novo (Expandir a Pesquisa)
tail ngoc » tai ngoc (Expandir a Pesquisa), tail non (Expandir a Pesquisa)
5 animal » 15 animal (Expandir a Pesquisa), _ animal (Expandir a Pesquisa), 1 animal (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 7.2 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
e combs » sex combs (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 n ) or ((( 5 animal complex tail ngoc ) or ( 7.5 nacl knopf carlos now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j e combs john n ) OR ((( 5 animal complex tail ngoc ) OR ( 7.5 nacl knopf carlos now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j e combs john n ) or ((( 5 animal complex tail ngoc ) or ( 7.5 nacl knopf carlos now ))))*.