Talvez deva tentar algumas variações de ortografia:
complex causes » complex case (Expandir a Pesquisa), complex care (Expandir a Pesquisa)
family complex » family complexes (Expandir a Pesquisa), family complete (Expandir a Pesquisa), family couple (Expandir a Pesquisa)
natl compared » nacl compared (Expandir a Pesquisa), nail compared (Expandir a Pesquisa), acl compared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
causes new » causes non (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
can near » can never (Expandir a Pesquisa), can new (Expandir a Pesquisa)
j family » 2 family (Expandir a Pesquisa), 1 family (Expandir a Pesquisa), 6 family (Expandir a Pesquisa)
1 dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( _ natl compared can near ) OR ( 1 dna clamp _ newts ))) OR ( j family complex causes new ))~.
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( _ natl compared can near ) or ( 1 dna clamp _ newts ))) or ( j family complex causes new ))*.