Talvez deva tentar algumas variações de ortografia:
complex stones » complex tones (Expandir a Pesquisa), complex stone (Expandir a Pesquisa), complex histones (Expandir a Pesquisa)
medial complex » medical complex (Expandir a Pesquisa), media complex (Expandir a Pesquisa), mediate complex (Expandir a Pesquisa)
comps los » comps la (Expandir a Pesquisa)
5 medial » 5 medical (Expandir a Pesquisa), 5 media (Expandir a Pesquisa), 5 mediate (Expandir a Pesquisa)
stones a » stones _ (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa), 3 nacl (Expandir a Pesquisa)
l comps » m comps (Expandir a Pesquisa)
los net » loss net (Expandir a Pesquisa), los neo (Expandir a Pesquisa), los new (Expandir a Pesquisa)
riehl » diehl (Expandir a Pesquisa), ziehl (Expandir a Pesquisa), riedl (Expandir a Pesquisa)
negrao » negras (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 los net ) or ((( 5 medial complex stones a ) or ( 3.5 nacl riehl carlos negrao ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comps los net ) OR ((( 5 medial complex stones a ) OR ( 3.5 nacl riehl carlos negrao )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comps los net ) or ((( 5 medial complex stones a ) or ( 3.5 nacl riehl carlos negrao ))))*.