Talvez deva tentar algumas variações de ortografia:
comparative low » comparative law (Expandir a Pesquisa), comparative long (Expandir a Pesquisa), comparative look (Expandir a Pesquisa)
rate compare » rate compared (Expandir a Pesquisa), rates compared (Expandir a Pesquisa), hydrate compare (Expandir a Pesquisa)
nat compr » la compr (Expandir a Pesquisa)
compare a » compare _ (Expandir a Pesquisa)
low netw » low net (Expandir a Pesquisa), flow nets (Expandir a Pesquisa), low neg (Expandir a Pesquisa)
j array » j arroyo (Expandir a Pesquisa), j arranz (Expandir a Pesquisa), j aragay (Expandir a Pesquisa)
j rate » j rane (Expandir a Pesquisa), j race (Expandir a Pesquisa), j rath (Expandir a Pesquisa)
2 nat » 2 nat2 (Expandir a Pesquisa), _ nat (Expandir a Pesquisa), 2 nad (Expandir a Pesquisa)
tran » trad (Expandir a Pesquisa), trap (Expandir a Pesquisa), tras (Expandir a Pesquisa)
ngoc » ngo (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: (( 2 nat compr tran ngoc ) or ((( j array comparative low netw ) or ( j rate compare a new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( 2 nat compr tran ngoc ) OR ((( j array comparative low netw ) OR ( j rate compare a new )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( 2 nat compr tran ngoc ) or ((( j array comparative low netw ) or ( j rate compare a new ))))*.