Perhaps you should try some spelling variations:
thanh hai » thanh phan, thanh hoa, thanh san
ban thanh » ban hanh, ban hang
va triet » va thiet, va trien, ve triet
cao duc » dao duc, cao suc, giao duc
cam duc » cam xuc, pham duc, nam duoc
hieu ve » hieu va, hieu van
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
su cac » tu cac, su cao, su can
hai va » hai van, thai va, hoi va
su sac » su sach, su xac

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: ((su sac) OR (su cac)) ky tang xa hoi. hieu ve ((cam duc) OR (cao duc)) ban thanh hai va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sac) OR (su cac)) ky tang xa hoi. hieu ve ((cam duc) or (cao duc)) ban thanh hai va triet~".
• Adding a wildcard symbol may retrieve word variants: ((su sac) OR (su cac)) ky tang xa hoi. hieu ve ((cam duc) or (cao duc)) ban thanh hai va triet*.