Talvez deva tentar algumas variações de ortografia:
carlos nocek » carlos nojek (Expandir a Pesquisa), carlos noceda (Expandir a Pesquisa), carlos nick (Expandir a Pesquisa)
complex task » complex than (Expandir a Pesquisa)
met complex » yet complex (Expandir a Pesquisa), set complex (Expandir a Pesquisa), metal complex (Expandir a Pesquisa)
jain carlos » jair carlos (Expandir a Pesquisa), lain carlos (Expandir a Pesquisa), jaime carlos (Expandir a Pesquisa)
task non » task new (Expandir a Pesquisa), task can (Expandir a Pesquisa), task cnn (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)
e combs » sex combs (Expandir a Pesquisa)
combs c » combs _ (Expandir a Pesquisa)
c net » c neto (Expandir a Pesquisa), _ net (Expandir a Pesquisa), u net (Expandir a Pesquisa)
5 met » 5 meo (Expandir a Pesquisa), 5 mev (Expandir a Pesquisa), 5 mec (Expandir a Pesquisa)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

Pode obter mais resultados ajustando a pesquisa.

• Se retirar as aspas poderá fazer uma pesquisa mais abragente: (( j e combs c net ) or ((( 5 met complex task non ) or ( 0.9 nacl jain carlos nocek ))))~.