Perhaps you should try some spelling variations:
tang mai » tang ma, tang tai, lang mai
nam duoc » nam thuoc, da duoc, dat duoc
danh lai » danh sai, gianh lai, dinh lam
ky tang » ky nang, ky dang, kho tang
mai hoi » mai khoi, dai hoi, lai hoi
hieu va » lieu va, hieu qua
va danh » va dinh, va dan, va hanh
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sac ky tang mai hoi. hieu va ((nam duoc) or (cam xuc)) va danh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky tang mai hoi. hieu va ((nam duoc) OR (cam xuc)) va danh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: te sac ky tang mai hoi. hieu va ((nam duoc) or (cam xuc)) va danh lai cua tre*.