Talvez deva tentar algumas variações de ortografia:
costs may » costs a (Expandir a Pesquisa)
dna clamp » a clamp (Expandir a Pesquisa)
can ngoc » van ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa)
et costs » elt costs (Expandir a Pesquisa), net costs (Expandir a Pesquisa), et costa (Expandir a Pesquisa)
may know » may now (Expandir a Pesquisa), can know (Expandir a Pesquisa), men know (Expandir a Pesquisa)
mat amp » mat amin (Expandir a Pesquisa), mat arip (Expandir a Pesquisa)
can now » can non (Expandir a Pesquisa), can new (Expandir a Pesquisa)
clamp j » clamp _ (Expandir a Pesquisa)
j dna » _ dna (Expandir a Pesquisa), a dna (Expandir a Pesquisa), 1 dna (Expandir a Pesquisa)
j new » a new (Expandir a Pesquisa), _ new (Expandir a Pesquisa), 2 new (Expandir a Pesquisa)
j et » j e (Expandir a Pesquisa), j st (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: (( _ mat amp ((can now) OR (can ngoc)) ) or ((( j dna clamp j new ) or ( j et costs may know ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( _ mat amp ((can now) OR (can ngoc)) ) OR ((( j dna clamp j new ) OR ( j et costs may know )))).
• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( _ mat amp ((can now) OR (can ngoc)) ) or ((( j dna clamp j new ) or ( j et costs may know ))))".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( _ mat amp ((can now) OR (can ngoc)) ) or ((( j dna clamp j new ) or ( j et costs may know ))))*.