Talvez deva tentar algumas variações de ortografia:
complex tasks » complex task (Expandir a Pesquisa), complex tones (Expandir a Pesquisa), complex tears (Expandir a Pesquisa)
metil complex » metal complex (Expandir a Pesquisa), metals complex (Expandir a Pesquisa), met complex (Expandir a Pesquisa)
carlos kosek » carlos kose (Expandir a Pesquisa), carlos kosera (Expandir a Pesquisa), carlos jose (Expandir a Pesquisa)
jain carlos » jair carlos (Expandir a Pesquisa), lain carlos (Expandir a Pesquisa), jaime carlos (Expandir a Pesquisa)
combs john » coombs john (Expandir a Pesquisa), combes john (Expandir a Pesquisa), coombes john (Expandir a Pesquisa)
tasks can » tasks a (Expandir a Pesquisa)
john net » john new (Expandir a Pesquisa), john neetu (Expandir a Pesquisa), john asnet (Expandir a Pesquisa)
nac jain » c jain (Expandir a Pesquisa), p.c jain (Expandir a Pesquisa)
5 metil » 5 methyl (Expandir a Pesquisa)
0.9 nac » 0.9 nacl (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 _ combs john net ) or ((( 5 metil complex tasks can ) or ( 0.9 nac jain carlos kosek ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j _ combs john net ) OR ((( 5 metil complex tasks can ) OR ( 0.9 nac jain carlos kosek )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j _ combs john net ) or ((( 5 metil complex tasks can ) or ( 0.9 nac jain carlos kosek ))))*.