Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
thai cua » than cua, tai cuc, tri cua
ban hanh » ban hang
cua tre » cua te, cuu tre, cua triet
dao duc » giao duc, tao duoc
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
su dai » sau dai, su tai, su hai

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

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