Perhaps you should try some spelling variations:
danh thai » anh thai, dang thai, dinh thai
thai cua » than cua, tai cuc, tri cua
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
su sai » su tai, su hai, su dai
sai ky » sac ky

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

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