Talvez deva tentar algumas variações de ortografia:
methods complex » methods coupled (Expandir a Pesquisa), methods compared (Expandir a Pesquisa), methods computer (Expandir a Pesquisa)
complex tried » complex trial (Expandir a Pesquisa), complex third (Expandir a Pesquisa), complex tree (Expandir a Pesquisa)
najar carlos » nejar carlos (Expandir a Pesquisa), fajardo carlos (Expandir a Pesquisa), baltar carlos (Expandir a Pesquisa)
tried ngoc » trieu ngoc (Expandir a Pesquisa), trinh ngoc (Expandir a Pesquisa), thien ngoc (Expandir a Pesquisa)
nacl najar » al najar (Expandir a Pesquisa), nacl nabr (Expandir a Pesquisa)
carlos nad » carlos nardi (Expandir a Pesquisa), carlos nadaf (Expandir a Pesquisa), carlos nava (Expandir a Pesquisa)
comps con » compost con (Expandir a Pesquisa), comps los (Expandir a Pesquisa)
5 methods » 5 methoxy (Expandir a Pesquisa)
l comps » m comps (Expandir a Pesquisa)
con net » con nee (Expandir a Pesquisa), non net (Expandir a Pesquisa), con note (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 l comps con net ) or ((( 5 methods complex tried ngoc ) or ( _ nacl najar carlos nad ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j l comps con net ) OR ((( 5 methods complex tried ngoc ) OR ( _ nacl najar carlos nad )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j l comps con net ) or ((( 5 methods complex tried ngoc ) or ( _ nacl najar carlos nad ))))*.