Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
nam thuoc » nam thuc, nam thu, nha thuoc
lieu nha » lieu khoa, lieu phap, lieu tham
thuoc xa » thuoc ma, thuoc va, thuoc la
xa thanh » va thanh, ha thanh, ta thanh
tu sach » thu sach, su sach, te sach
cao hoc » co hoc, cho hoc, chat hoc
nha nam » nhan nam, nha lam, ha nam
tai cuu » tai cuc, tai buu, tai cua
cuu tre » cua tre, cau tren, cau treo
tu sac » tu cac, tu san, tu bac

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 sach)) ky nang cao hoc. lieu nha nam thuoc xa thanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu sach)) ky nang cao hoc. lieu nha nam thuoc xa thanh tai cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu sach)) ky nang cao hoc. lieu nha nam thuoc xa thanh tai cuu tre*.