Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
van thanh » ban thanh, van tuan
cua nuoc » cua quoc, cua nguoi, cua thuoc
vai cua » dai cua, hai cua, lai cua
xuc van » duc van, luc van, vuc van
tu sach » thu sach, su sach, te sach
mai hoi » mai khoi, dai hoi, lai hoi
y nang » ky nang, ly nang, may nang
va cao » va cac, va co, va dao
va cam » va cham, va cac, va cai
v nang » va nang, vu nang, van nang

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (v nang)) mai hoi. lieu ((va cam) OR (va cao)) xuc van thanh vai cua nuoc~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) or (v nang)) mai hoi. lieu ((va cam) OR (va cao)) xuc van thanh vai cua nuoc~".
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) or (v nang)) mai hoi. lieu ((va cam) OR (va cao)) xuc van thanh vai cua nuoc*.