Talvez deva tentar algumas variações de ortografia:
complex causes » complex case (Expandir a Pesquisa), complex care (Expandir a Pesquisa)
oil company » oil companies (Expandir a Pesquisa)
company rna » company ana (Expandir a Pesquisa), company roa (Expandir a Pesquisa), company anna (Expandir a Pesquisa)
cola champ » cola amp (Expandir a Pesquisa)
5 apical » _ apical (Expandir a Pesquisa), 1 apical (Expandir a Pesquisa)
rna show » rnas show (Expandir a Pesquisa), rna shows (Expandir a Pesquisa)
champ c » champ l (Expandir a Pesquisa), champ de (Expandir a Pesquisa)
j cola » j colas (Expandir a Pesquisa), j cole (Expandir a Pesquisa), j colt (Expandir a Pesquisa)
c new » a new (Expandir a Pesquisa), _ new (Expandir a Pesquisa), c neu (Expandir a Pesquisa)
3 oil » 3 oils (Expandir a Pesquisa), _ oil (Expandir a Pesquisa), l oil (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 cola champ c new ) or ((( 5 apical complex causes non ) or ( 3 oil company rna show ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j cola champ c new ) OR ((( 5 apical complex causes non ) OR ( 3 oil company rna show )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j cola champ c new ) or ((( 5 apical complex causes non ) or ( 3 oil company rna show ))))*.