Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
lieu nha » lieu khoa, lieu phap, lieu tham
hanh tai » thanh tai, hang tai, han tai
thuoc xa » thuoc ma, thuoc va, thuoc la
cuu tre » cua tre, cau tren, cau treo
tai cuu » tai cuc, tai buu, tai cua
xa hanh » xa thanh, xa khanh, va hanh
nang ma » tang ma, sang ma, nang cao
lieu ha » lieu va, liem ha, lieu ma
tu sac » tu sach, tu cac, tu san
ma hoi » mai hoi, xa hoi, ma hoa
tu can » tu ban, tu cac, thu canh

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu can)) ky nang ma hoi. ((lieu ha) or (lieu nha)) nam thuoc xa hanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu can)) ky nang ma hoi. ((lieu ha) OR (lieu nha)) nam thuoc xa hanh tai cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu can)) ky nang ma hoi. ((lieu ha) or (lieu nha)) nam thuoc xa hanh tai cuu tre*.