Talvez deva tentar algumas variações de ortografia:
gel compared » model compared (Expandir a Pesquisa), level compared (Expandir a Pesquisa), gel prepared (Expandir a Pesquisa)
compared can » compared case (Expandir a Pesquisa), compared a (Expandir a Pesquisa), compared law (Expandir a Pesquisa)
dnan clamp » dna clamp (Expandir a Pesquisa), dna clamps (Expandir a Pesquisa), can clamp (Expandir a Pesquisa)
can ngc » can ngoc (Expandir a Pesquisa), can ngs (Expandir a Pesquisa), can naci (Expandir a Pesquisa)
j dnan » _ dnan (Expandir a Pesquisa), j dna (Expandir a Pesquisa), a dnan (Expandir a Pesquisa)
care c » care can (Expandir a Pesquisa), care cd4 (Expandir a Pesquisa)
a now » a new (Expandir a Pesquisa), _ now (Expandir a Pesquisa), a nos (Expandir a Pesquisa)
a non » _ non (Expandir a Pesquisa)
7 day » _ day (Expandir a Pesquisa), a day (Expandir a Pesquisa)
c new » a new (Expandir a Pesquisa), _ new (Expandir a Pesquisa), c neu (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: (( _ gel compared can ngc ) or ((( j dnan clamp ((a now) OR (a non)) ) or ( 7 day care c new ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ gel compared can ngc ) OR ((( j dnan clamp ((a now) OR (a non)) ) OR ( 7 day care c new ))))*.
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( _ gel compared can ngc ) or ((( j dnan clamp ((a now) OR (a non)) ) or ( 7 day care c new ))))*".