Tal vez debería intentar con algunas variantes ortográficas:
"children's dignity and children's play" » "children's digital and children's play", "children's identity and children's play", "children's dietary and children's play", "children's dignity and children's poetry"
"children's digest and children's plays" » "children's best and children's plays", "children's first and children's plays", "children's digital and children's plays", "children's digest and children's poetrys"

Puede conseguir más resultados ajustando la consulta de búsqueda.

• Realizar una búsqueda difusa puede recuperar términos con ortografía similares: (("children's digest and children's plays") or ("children's dignity and children's play"))~.
• Si está tratando de utilizar operadores booleanos, deberán estar TODOS EN MAYUSCULAS: (("children's digest and children's plays") OR ("children's dignity and children's play"))*.
• Eliminando comillas puede permitir una búsqueda más amplia: (( children's digest and children's plays ) or ( children's dignity and children's play ))*.