Talvez deva tentar algumas variações de ortografia:
severely complex » several complex (Expandir a Pesquisa), severe complex (Expandir a Pesquisa), severing complex (Expandir a Pesquisa)
complex tree » complex three (Expandir a Pesquisa), complex tale (Expandir a Pesquisa), complex tric (Expandir a Pesquisa)
nino carlos » cano carlos (Expandir a Pesquisa), bacino carlos (Expandir a Pesquisa), semino carlos (Expandir a Pesquisa)
carlos joel » carlson joel (Expandir a Pesquisa), carlos jose (Expandir a Pesquisa), carlos joao (Expandir a Pesquisa)
comps john » copps john (Expandir a Pesquisa), combs john (Expandir a Pesquisa), comisi john (Expandir a Pesquisa)
john nolan » john tolan (Expandir a Pesquisa), john nolland (Expandir a Pesquisa), john norman (Expandir a Pesquisa)
2 severely » _ severely (Expandir a Pesquisa), a severely (Expandir a Pesquisa), 2 severe (Expandir a Pesquisa)
tree ngoc » tue ngoc (Expandir a Pesquisa)
nacl nino » nacl nano (Expandir a Pesquisa), nacl kno (Expandir a Pesquisa), nacl mno (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 comps john nolan ) or ((( 2 severely complex tree ngoc ) or ( 3.5 nacl nino carlos joel ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m comps john nolan ) OR ((( 2 severely complex tree ngoc ) OR ( 3.5 nacl nino carlos joel )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m comps john nolan ) or ((( 2 severely complex tree ngoc ) or ( 3.5 nacl nino carlos joel ))))*.