Talvez deva tentar algumas variações de ortografia:
material complexity » natural complexity (Expandir a Pesquisa), material complex (Expandir a Pesquisa), medical complexity (Expandir a Pesquisa)
complexity can » complexity case (Expandir a Pesquisa), complexity a (Expandir a Pesquisa), complexity cmc (Expandir a Pesquisa)
nine carlos » nino carlos (Expandir a Pesquisa), nin carlos (Expandir a Pesquisa), gine carlos (Expandir a Pesquisa)
carlos nara » carlos lara (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos jara (Expandir a Pesquisa)
5 material » 5 materials (Expandir a Pesquisa), v5 materials (Expandir a Pesquisa), 205 materials (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
all nine » hall nina (Expandir a Pesquisa), all non (Expandir a Pesquisa)
l comps » m comps (Expandir a Pesquisa)
comps i » camps i (Expandir a Pesquisa), comps la (Expandir a Pesquisa), comps el (Expandir a Pesquisa)
7.5 all » 7.5 nacl (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 comps i neto ) or ((( 5 material complexity can ngoc ) or ( 7.5 all nine carlos nara ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comps i neto ) OR ((( 5 material complexity can ngoc ) OR ( 7.5 all nine carlos nara )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comps i neto ) or ((( 5 material complexity can ngoc ) or ( 7.5 all nine carlos nara ))))*.