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

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 thuoc) or (dat 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 thuoc) OR (dat 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 thuoc) or (dat duoc))) or (cam xuc)) va danh lai cua tre*.