Talvez deva tentar algumas variações de ortografia:
composite board » composite bonded (Expandir a Pesquisa), composite based (Expandir a Pesquisa), composite beam (Expandir a Pesquisa)
complex tran » complex trans (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex trait (Expandir a Pesquisa)
tal complex » al complex (Expandir a Pesquisa), metal complex (Expandir a Pesquisa), anal complex (Expandir a Pesquisa)
campos nora » campos mora (Expandir a Pesquisa), campos na (Expandir a Pesquisa), camp nora (Expandir a Pesquisa)
kcl campos » gil campos (Expandir a Pesquisa), l campos (Expandir a Pesquisa), acn campos (Expandir a Pesquisa)
board nir » board csr (Expandir a Pesquisa), board der (Expandir a Pesquisa)
7.5 nacl » 3.5 nacl (Expandir a Pesquisa), 0.9 nacl (Expandir a Pesquisa)
e tal » e tail (Expandir a Pesquisa), _ tal (Expandir a Pesquisa), e tao (Expandir a Pesquisa)
ngoc » ngo (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 _ composite board nir ) or ((( e tal complex tran ngoc ) or ( 7.5 nacl kcl campos nora ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ composite board nir ) OR ((( e tal complex tran ngoc ) OR ( 7.5 nacl kcl campos nora )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ composite board nir ) or ((( e tal complex tran ngoc ) or ( 7.5 nacl kcl campos nora ))))*.