Perhaps you should try some spelling variations:
thanh hoa » thanh pho
nam thuoc » nam thuc, nam thu, nha thuoc
va triet » va thiet, va trien, ve triet
va thanh » gia thanh, ban thanh, va tinh
thuoc va » thuc va, thuoc ma, thuong va
ky dang » ky nang, ky danh
ky tang » ky nang, kho tang, ky trong
hieu va » lieu va
hoa va » hoa van, hoa xa, hoa vo
ke san » ke dan
ha hoi » hoa hoi, ha noi, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ke san ((ky dang) or (ky tang)) ha hoi. ((hieu va) OR (hieu qua)) nam thuoc va thanh hoa va triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ke san ((ky dang) OR (ky tang)) ha hoi. ((hieu va) OR (hieu qua)) nam thuoc va thanh hoa va triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ke san ((ky dang) or (ky tang)) ha hoi. ((hieu va) OR (hieu qua)) nam thuoc va thanh hoa va triet".
• Adding a wildcard symbol may retrieve word variants: ke san ((ky dang) or (ky tang)) ha hoi. ((hieu va) OR (hieu qua)) nam thuoc va thanh hoa va triet*.