Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
sang mai » sang ma, sang tai, lang mai
danh lai » danh sai, gianh lai, dinh lam
va danh » va dinh, va dan, va hanh
ky sang » ky nang, ky dang, ky tang
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
cua tre » cuu tre, cua triet, dua tren
te sac » te sach, te cac, te san
sac ky » cac ky, sai ky
cua te » cua tu

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 sang mai hoi. hieu ve ((nam thuoc) or (cam xuc)) va danh lai ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sac ky sang mai hoi. hieu ve ((nam thuoc) OR (cam xuc)) va danh lai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sac ky sang mai hoi. hieu ve ((nam thuoc) or (cam xuc)) va danh lai ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: te sac ky sang mai hoi. hieu ve ((nam thuoc) or (cam xuc)) va danh lai ((cua tre) OR (cua te))*.