Talvez deva tentar algumas variações de ortografia:
tail clamp » tail clip (Expandir a Pesquisa), coil clamp (Expandir a Pesquisa)
heart camp » heart case (Expandir a Pesquisa), heart care (Expandir a Pesquisa), heart can (Expandir a Pesquisa)
clamp can » clamp a (Expandir a Pesquisa), clamp ar (Expandir a Pesquisa), clamp cum (Expandir a Pesquisa)
can ngoc » tran ngoc (Expandir a Pesquisa), phan ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
van ngoc » tran ngoc (Expandir a Pesquisa), vu ngoc (Expandir a Pesquisa), bao ngoc (Expandir a Pesquisa)
j heart » j heard (Expandir a Pesquisa), j hearn (Expandir a Pesquisa), j hegarty (Expandir a Pesquisa)
camp ca » camp a (Expandir a Pesquisa), camp c (Expandir a Pesquisa), camp camp (Expandir a Pesquisa)
ca now » can now (Expandir a Pesquisa), ca no3 (Expandir a Pesquisa), ca non (Expandir a Pesquisa)
j tail » _ tail (Expandir a Pesquisa), a tail (Expandir a Pesquisa), 3 tail (Expandir a Pesquisa)
d tom » d toom (Expandir a Pesquisa), d tome (Expandir a Pesquisa), _ tom (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• "As palabras AND, OR e NOT podem gerar pesquisas incorrectas; tente utilizar aspas": "(( j heart camp ca now ) OR ((( j tail clamp can ngoc ) OR ( j d tom van ngoc ))))~".
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j heart camp ca now ) OR ((( j tail clamp can ngoc ) OR ( j d tom van ngoc ))))*.