Talvez deva tentar algumas variações de ortografia:
computers three » computer three (Expandir a Pesquisa), compute three (Expandir a Pesquisa), computed three (Expandir a Pesquisa)
nacl melanoma » nasal melanoma (Expandir a Pesquisa), anal melanoma (Expandir a Pesquisa), incl melanoma (Expandir a Pesquisa)
three ngoc » three non (Expandir a Pesquisa), three nac (Expandir a Pesquisa), three neo (Expandir a Pesquisa)
15 analog » 1 analog (Expandir a Pesquisa), 12 analog (Expandir a Pesquisa), 10 analog (Expandir a Pesquisa)
cells nor » cells non (Expandir a Pesquisa), cells now (Expandir a Pesquisa), cells donor (Expandir a Pesquisa)
3.5 nacl » 0.9 nacl (Expandir a Pesquisa)
l combs » e combs (Expandir a Pesquisa), _ combs (Expandir a Pesquisa), l comps (Expandir a Pesquisa)
combs a » coombs a (Expandir a Pesquisa), combs ca (Expandir a Pesquisa), combs _ (Expandir a Pesquisa)
a non » _ non (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 combs a non ) or ((( 15 analog computers three ngoc ) or ( 3.5 nacl melanoma cells nor ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l combs a non ) OR ((( 15 analog computers three ngoc ) OR ( 3.5 nacl melanoma cells nor )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l combs a non ) or ((( 15 analog computers three ngoc ) or ( 3.5 nacl melanoma cells nor ))))*.