Perhaps you should try some spelling variations:
thuoc nhom » thuoc ho
nam thuoc » nam thuc, nam thu, nha thuoc
danh dai » danh dau, danh sai, vanh dai
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu he » hieu ve, hiem he, hieu le
danh di » danh du, xanh di, danh dien
huu thu » huu thuc, huu nhu, cuu thu
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
he nam » ha nam, nghe nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach v nang xa hoi. hieu he nam thuoc nhom ((danh dai) OR (danh di)) huu thu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach v nang xa hoi. hieu he nam thuoc nhom ((danh dai) OR (danh di)) huu thu".
• Adding a wildcard symbol may retrieve word variants: tu sach v nang xa hoi. hieu he nam thuoc nhom ((danh dai) OR (danh di)) huu thu*.