Talvez deva tentar algumas variações de ortografia:
comparing climate » combating climate (Expandir a Pesquisa), comparing estimates (Expandir a Pesquisa), comparing estimated (Expandir a Pesquisa)
bias comparing » beans comparing (Expandir a Pesquisa), asians comparing (Expandir a Pesquisa), bias comparison (Expandir a Pesquisa)
computer van » computer a (Expandir a Pesquisa), computer v3 (Expandir a Pesquisa), computer vi (Expandir a Pesquisa)
climate now » climate snow (Expandir a Pesquisa), climate new (Expandir a Pesquisa), climate non (Expandir a Pesquisa)
2 computer » cam computer (Expandir a Pesquisa), man computer (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
j units » c units (Expandir a Pesquisa), md units (Expandir a Pesquisa)
j bias » j biau (Expandir a Pesquisa), j bial (Expandir a Pesquisa), j bian (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 units computers _ now ) or ( 3 2 computer van ngoc ))) or ( j bias comparing climate now ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j units computers _ now ) OR ( 3 2 computer van ngoc ))) OR ( j bias comparing climate now )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j units computers _ now ) or ( 3 2 computer van ngoc ))) or ( j bias comparing climate now ))*.