Talvez deva tentar algumas variações de ortografia:
aids compact » aids impact (Expandir a Pesquisa), aids combat (Expandir a Pesquisa), aids compared (Expandir a Pesquisa)
compact cmp » compact cmpt (Expandir a Pesquisa), compact cmos (Expandir a Pesquisa), compact cnn (Expandir a Pesquisa)
dan newton » jan newton (Expandir a Pesquisa), da newton (Expandir a Pesquisa), jean newton (Expandir a Pesquisa)
romer dan » romer a (Expandir a Pesquisa), romero da (Expandir a Pesquisa), rome dans (Expandir a Pesquisa)
0.9 licl » 0.9 nacl (Expandir a Pesquisa)
licl kcl » nacl kcl (Expandir a Pesquisa)
l romer » l romero (Expandir a Pesquisa), l romera (Expandir a Pesquisa), l roger (Expandir a Pesquisa)
kcl co » 2cl co (Expandir a Pesquisa), hcl co (Expandir a Pesquisa), wcl co (Expandir a Pesquisa)
co new » do new (Expandir a Pesquisa), ho new (Expandir a Pesquisa), so new (Expandir a Pesquisa)
a aids » da aids (Expandir a Pesquisa), _ aids (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 romer dan newton ) or ((( 0.9 licl kcl co new ) or ( a aids compact cmp (node or note) ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l romer dan newton ) OR ((( 0.9 licl kcl co new ) OR ( a aids compact cmp (node OR note) )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l romer dan newton ) or ((( 0.9 licl kcl co new ) or ( a aids compact cmp (node or note) ))))*.