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 trieu » complex trial (Expandir a Pesquisa), complex tree (Expandir a Pesquisa), complex tric (Expandir a Pesquisa)
carlos merino » carlos americo (Expandir a Pesquisa), carlos marin (Expandir a Pesquisa), carlos medina (Expandir a Pesquisa)
know carlos » knopf carlos (Expandir a Pesquisa), dow carlos (Expandir a Pesquisa)
trieu ngoc » tieu ngoc (Expandir a Pesquisa), trieu ngoa (Expandir a Pesquisa), trinh ngoc (Expandir a Pesquisa)
comps con » compost con (Expandir a Pesquisa), comps los (Expandir a Pesquisa)
o methods » o methodus (Expandir a Pesquisa), o methodo (Expandir a Pesquisa), o method (Expandir a Pesquisa)
nacl know » nacl kno (Expandir a Pesquisa), nacl mno (Expandir a Pesquisa)
0.9 nacl » 3.5 nacl (Expandir a Pesquisa)
con net » con nee (Expandir a Pesquisa), non net (Expandir a Pesquisa), upon net (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 con net ) or ((( o methods complex trieu ngoc ) or ( 0.9 nacl know carlos merino ))))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (( j m comps con net ) OR ((( o methods complex trieu ngoc ) OR ( 0.9 nacl know carlos merino )))).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (( j m comps con net ) or ((( o methods complex trieu ngoc ) or ( 0.9 nacl know carlos merino ))))*.