Talvez deva tentar algumas variações de ortografia:
mineral complex » several complex (Expandir a Pesquisa), central complex (Expandir a Pesquisa)
complex tien » complex times (Expandir a Pesquisa), complex than (Expandir a Pesquisa), complex time (Expandir a Pesquisa)
john noble » johan noble (Expandir a Pesquisa), non noble (Expandir a Pesquisa), john noel (Expandir a Pesquisa)
carlos noe » carlos noel (Expandir a Pesquisa), carlos noa (Expandir a Pesquisa), carlos nojek (Expandir a Pesquisa)
copp john » copps john (Expandir a Pesquisa), dopp john (Expandir a Pesquisa), cupp john (Expandir a Pesquisa)
a mineral » _ mineral (Expandir a Pesquisa), agua mineral (Expandir a Pesquisa)
tien ngoc » thien ngoc (Expandir a Pesquisa), tuyen ngoc (Expandir a Pesquisa), tran ngoc (Expandir a Pesquisa)
nacl leon » nacl en (Expandir a Pesquisa), nacl ion (Expandir a Pesquisa), nacl upon (Expandir a Pesquisa)
m copp » _ copp (Expandir a Pesquisa), j copp (Expandir a Pesquisa), r copp (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 m copp john noble ) or ((( a mineral complex tien ngoc ) or ( 0.9 nacl leon carlos noe ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m copp john noble ) OR ((( a mineral complex tien ngoc ) OR ( 0.9 nacl leon carlos noe )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m copp john noble ) or ((( a mineral complex tien ngoc ) or ( 0.9 nacl leon carlos noe ))))*.