Talvez deva tentar algumas variações de ortografia:
assays compared » assay compared (Expandir a Pesquisa), assays combined (Expandir a Pesquisa)
coal companies » oil companies (Expandir a Pesquisa), can companies (Expandir a Pesquisa), global companies (Expandir a Pesquisa)
adl computers » aids computers (Expandir a Pesquisa), do computers (Expandir a Pesquisa), a computers (Expandir a Pesquisa)
companies can » companies case (Expandir a Pesquisa), companies a (Expandir a Pesquisa), companies cut (Expandir a Pesquisa)
computers a » computers _ (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), cao ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
i assays » _ assays (Expandir a Pesquisa), i assay (Expandir a Pesquisa), 2 assays (Expandir a Pesquisa)
m coal » m cobal (Expandir a Pesquisa), m coll (Expandir a Pesquisa), m coad (Expandir a Pesquisa)
i adl » _ adl (Expandir a Pesquisa), i all (Expandir a Pesquisa), i adh (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: (( i adl computers a non ) or ((( m coal companies can ngoc ) or ( i assays compared _ non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( i adl computers a non ) OR ((( m coal companies can ngoc ) OR ( i assays compared _ non )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( i adl computers a non ) or ((( m coal companies can ngoc ) or ( i assays compared _ non ))))*.