Talvez deva tentar algumas variações de ortografia:
natural complex » natural compound (Expandir a Pesquisa)
coreana caries » coronal caries (Expandir a Pesquisa), floresans caries (Expandir a Pesquisa)
complex karen » complex korean (Expandir a Pesquisa), complex parent (Expandir a Pesquisa), complex care (Expandir a Pesquisa)
sul coreana » sul coletanea (Expandir a Pesquisa)
karen ngoc » karen ng (Expandir a Pesquisa)
caries new » caries en (Expandir a Pesquisa), caries de (Expandir a Pesquisa), series new (Expandir a Pesquisa)
comme can » comme ca (Expandir a Pesquisa), comme cas (Expandir a Pesquisa), comme dans (Expandir a Pesquisa)
5 natural » 1 natural (Expandir a Pesquisa), 15n natural (Expandir a Pesquisa), cd25 natural (Expandir a Pesquisa)
l comme » _ comme (Expandir a Pesquisa), a comme (Expandir a Pesquisa), n comme (Expandir a Pesquisa)
3 sul » 3 supl (Expandir a Pesquisa), 3 sub (Expandir a Pesquisa), _ sul (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 comme can new ) or ((( 5 natural complex karen ngoc ) or ( 3 sul coreana caries new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comme can new ) OR ((( 5 natural complex karen ngoc ) OR ( 3 sul coreana caries new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comme can new ) or ((( 5 natural complex karen ngoc ) or ( 3 sul coreana caries new ))))*.