Talvez deva tentar algumas variações de ortografia:
algebra computer » algebra computing (Expandir a Pesquisa), algebra complex (Expandir a Pesquisa), algebra competence (Expandir a Pesquisa)
rats compared » rates compared (Expandir a Pesquisa)
compared law » compared a (Expandir a Pesquisa), compared _ (Expandir a Pesquisa), company law (Expandir a Pesquisa)
ras computed » has computed (Expandir a Pesquisa), mass computed (Expandir a Pesquisa), a computed (Expandir a Pesquisa)
computed van » computed pain (Expandir a Pesquisa), computed via (Expandir a Pesquisa), computed vs (Expandir a Pesquisa)
j algebra » _ algebra (Expandir a Pesquisa), a algebra (Expandir a Pesquisa), e algebra (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
law new » jaw new (Expandir a Pesquisa)
e rats » e ratos (Expandir a Pesquisa), e ratas (Expandir a Pesquisa), e rato (Expandir a Pesquisa)
_ ras » _ rat (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 algebra computer _ now ) or ((( e rats compared law new ) or ( _ ras computed van ngoc ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j algebra computer _ now ) OR ((( e rats compared law new ) OR ( _ ras computed van ngoc )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j algebra computer _ now ) or ((( e rats compared law new ) or ( _ ras computed van ngoc ))))*.