Talvez deva tentar algumas variações de ortografia:
metaphors really » metaphor reality (Expandir a Pesquisa), metaphors tell (Expandir a Pesquisa), metaphors help (Expandir a Pesquisa)
zonal methods » zonal method (Expandir a Pesquisa), zones methods (Expandir a Pesquisa), hormonal methods (Expandir a Pesquisa)
methods cream » methods real (Expandir a Pesquisa), methods cam (Expandir a Pesquisa), methods ofreal (Expandir a Pesquisa)
anal method » analog method (Expandir a Pesquisa), animal method (Expandir a Pesquisa), zonal method (Expandir a Pesquisa)
method real » methods real (Expandir a Pesquisa), method really (Expandir a Pesquisa), method metal (Expandir a Pesquisa)
j animal » _ animal (Expandir a Pesquisa), 1 animal (Expandir a Pesquisa), j anibal (Expandir a Pesquisa)
j zonal » _ zonal (Expandir a Pesquisa), a zonal (Expandir a Pesquisa), 3d zonal (Expandir a Pesquisa)
j anal » j anil (Expandir a Pesquisa), j anibal (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 zonal methods cream ) or ( j anal method real ))) or ( j animal metaphors really ))~.
• Se usar operadores Booleanos, por favor insira-os com letras MAIÚSCULAS: (((( j zonal methods cream ) OR ( j anal method real ))) OR ( j animal metaphors really )).
• Se adicionar um carácter universal pode recuperar variações da palavra pesquisada: (((( j zonal methods cream ) or ( j anal method real ))) or ( j animal metaphors really ))*.