Talvez deva tentar algumas variações de ortografia:
called species » allied species (Expandir a Pesquisa), failed species (Expandir a Pesquisa), charged species (Expandir a Pesquisa)
method called » method coupled (Expandir a Pesquisa), method enabled (Expandir a Pesquisa), method case (Expandir a Pesquisa)
species ngoc » species non (Expandir a Pesquisa), species nor (Expandir a Pesquisa), species nrc (Expandir a Pesquisa)
carlos nada » carlos nadaf (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa), carlos nara (Expandir a Pesquisa)
nar carlos » mar carlos (Expandir a Pesquisa), nejar carlos (Expandir a Pesquisa), najar carlos (Expandir a Pesquisa)
comas con » compras con (Expandir a Pesquisa), formas con (Expandir a Pesquisa), poemas con (Expandir a Pesquisa)
5 method » 5 methods (Expandir a Pesquisa), 5 methoxy (Expandir a Pesquisa), 5 methyl (Expandir a Pesquisa)
nacl nar » nacl nabr (Expandir a Pesquisa), nacl na (Expandir a Pesquisa), nacl nas (Expandir a Pesquisa)
l comas » l comps (Expandir a Pesquisa), l comeau (Expandir a Pesquisa)
con net » con nee (Expandir a Pesquisa), non net (Expandir a Pesquisa), upon net (Expandir a Pesquisa)
3 nacl » _ nacl (Expandir a Pesquisa), 3.5 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 comas con net ) or ((( 5 method called species ngoc ) or ( 3 nacl nar carlos nada ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comas con net ) OR ((( 5 method called species ngoc ) OR ( 3 nacl nar carlos nada )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comas con net ) or ((( 5 method called species ngoc ) or ( 3 nacl nar carlos nada ))))*.