Perhaps you should try some spelling variations:
thanh thai » thanh hai, thanh tai, nhanh thai
ban thanh » ban hanh, ban hang
thai cua » than cua, tai cuc, tri cua
kho tang » cao tang
cua tre » cua te, cuu tre, cua triet
cao duc » dao duc, cao suc, giao duc
ky tang » ky nang, ky dang, ky trong
hieu va » lieu va, hieu qua
cam duc » cam xuc, pham duc, nam duoc
su sac » su sach, su cac, su xac

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ((ky tang) or (kho tang)) xa hoi. hieu va ((cam duc) or (cao duc)) ban thanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ((ky tang) OR (kho tang)) xa hoi. hieu va ((cam duc) OR (cao duc)) ban thanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sac ((ky tang) or (kho tang)) xa hoi. hieu va ((cam duc) or (cao duc)) ban thanh thai cua tre*.