Forse hai sbagliato a scrivere i termini di ricerca:
"children's digest and children's playgroups" » "children's digest and children playground", "children's digest and children's playhouses", "children's digest and children's plays", "children's dignity and children's playgroups", "children's best and children's playgroups", "children's first and children's playgroups"
"children's fears and children's playcraft" » "children's fears and children's playmate", "children's fears and children's play", "children's fears and children's plays", "children's wear and children's playcraft", "children's art and children's playcraft", "children's early and children's playcraft"

Potresti ottenere più risultati modificando la stringa di ricerca.

• Se esegui una ricerca fuzzy potresti trovare termini con grafia simile: (("children's fears and children's playcraft") OR ("children's digest and children's playgroups"))~.
• Le parole AND, OR e NOT possono confondere la ricerca; prova ad aggiungere le virgolette: "((\"children's fears and children's playcraft\") OR (\"children's digest and children's playgroups\"))".
• Rimuovendo le virgolette potresti ottenere più risultati: (( children's fears and children's playcraft ) OR ( children's digest and children's playgroups )).
• Utilizzare caratteri jolly permette di reperire forme varianti dei termini: (("children's fears and children's playcraft") OR ("children's digest and children's playgroups"))*.