Talvez deva tentar algumas variações de ortografia:
nav1.7 complex » nav1.6 complex (Expandir a Pesquisa), rad17 complex (Expandir a Pesquisa)
gerl compared » gel compared (Expandir a Pesquisa), meal compared (Expandir a Pesquisa), cell compared (Expandir a Pesquisa)
company based » competency based (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
oil company » oil companies (Expandir a Pesquisa)
can newts » can new (Expandir a Pesquisa), can newly (Expandir a Pesquisa)
based now » based snow (Expandir a Pesquisa), based non (Expandir a Pesquisa), based no2 (Expandir a Pesquisa)
via ngoc » vinh ngoc (Expandir a Pesquisa), giao ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa)
j gerl » j gierl (Expandir a Pesquisa), j gert (Expandir a Pesquisa), _ gerl (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 gerl compared can newts ) or ((( _ nav1.7 complex via ngoc ) or ( _ oil company based now ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j gerl compared can newts ) OR ((( _ nav1.7 complex via ngoc ) OR ( _ oil company based now )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j gerl compared can newts ) or ((( _ nav1.7 complex via ngoc ) or ( _ oil company based now ))))*.