Talvez deva tentar algumas variações de ortografia:
complaint causes » complaint cases (Expandir a Pesquisa), complaints caused (Expandir a Pesquisa), complaints cause (Expandir a Pesquisa)
complex trap » complex tap (Expandir a Pesquisa), complex trait (Expandir a Pesquisa), complex trial (Expandir a Pesquisa)
less complex » egress complex (Expandir a Pesquisa)
a complaint » _ complaint (Expandir a Pesquisa), _ complaints (Expandir a Pesquisa)
causes non » cause non (Expandir a Pesquisa)
his six » hips six (Expandir a Pesquisa), his sixty (Expandir a Pesquisa), his side (Expandir a Pesquisa)
six nw » six new (Expandir a Pesquisa), six nb (Expandir a Pesquisa)
3 less » 35 less (Expandir a Pesquisa), 43 less (Expandir a Pesquisa), _ less (Expandir a Pesquisa)
2 his » _ his (Expandir a Pesquisa), 2 hiv (Expandir a Pesquisa), 2 has (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 2 his six nw ) or ((( 3 less complex trap (ngoc or ngo) ) or ( 3 a complaint causes non ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j 2 his six nw ) OR ((( 3 less complex trap (ngoc OR ngo) ) OR ( 3 a complaint causes non ))))*.