Talvez deva tentar algumas variações de ortografia:
shaped beam » shaped beams (Expandir a Pesquisa)
tian ning » tian jing (Expandir a Pesquisa), tian ming (Expandir a Pesquisa), tian qing (Expandir a Pesquisa)
beam corn » beam con (Expandir a Pesquisa), beam boron (Expandir a Pesquisa), beam can (Expandir a Pesquisa)
tian nun » tian nan (Expandir a Pesquisa), tian neng (Expandir a Pesquisa), tian nana (Expandir a Pesquisa)
a shaped » _ shaped (Expandir a Pesquisa), a shape (Expandir a Pesquisa), c shaped (Expandir a Pesquisa)
3dd cell » 3d cell (Expandir a Pesquisa), 2d cell (Expandir a Pesquisa), bud cell (Expandir a Pesquisa)
e natal » de natal (Expandir a Pesquisa), pre natal (Expandir a Pesquisa), e natural (Expandir a Pesquisa)
natal a » natal _ (Expandir a Pesquisa), natal e (Expandir a Pesquisa), natal de (Expandir a Pesquisa)
j 3dd » j add (Expandir a Pesquisa), j udd (Expandir a Pesquisa)
a go » a g (Expandir a Pesquisa), a o (Expandir a Pesquisa), _ go (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: (( e natal a ((tian nun) or (tian ning)) ) or ((( j a shaped beam corn ) or ( j 3dd cell a go ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( e natal a ((tian nun) OR (tian ning)) ) OR ((( j a shaped beam corn ) OR ( j 3dd cell a go )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( e natal a ((tian nun) or (tian ning)) ) or ((( j a shaped beam corn ) or ( j 3dd cell a go ))))*.