Perhaps you should try some spelling variations:
nam thuoc » nam thuc, nam thu, nha thuoc
lieu nha » lieu khoa, lieu phap, lieu tham
thuoc xa » thuoc ma, thuoc va, thuoc la
tu sach » thu sach, su sach, te sach
cao hoi » cau hoi, co hoi, cao hoc
nha nam » nhan nam, nha lam, ha nam
xa hanh » xa thanh, xa khanh, va hanh
tai cuu » tai cuc, tai cua, thai cua
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 hoi. lieu nha nam thuoc xa hanh ((tai cuu) OR (tai buu)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu sach)) ky nang cao hoi. lieu nha nam thuoc xa hanh ((tai cuu) OR (tai buu)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sac) or (tu sach)) ky nang cao hoi. lieu nha nam thuoc xa hanh ((tai cuu) OR (tai buu)) tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu sach)) ky nang cao hoi. lieu nha nam thuoc xa hanh ((tai cuu) OR (tai buu)) tre*.