Perhaps you should try some spelling variations:
hieu hien » bieu hien, dieu hien, chieu chien
hien bach » vien bach, thien hach, hien hanh
bach nuoc » bach tuoc, sach nuoc, bich ngoc
bo sach » co sach, hoc sach
ty nang » ty xang, ty hang, ly nang
va danh » va dinh, va dan, va hanh
danh di » danh du, xanh di, danh dien
cua tu » cua tuc, cua cu, cua te
cua su » qua su

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

• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach ((ty nang) OR (ky nang)) xa hoi. hieu hien bach nuoc va danh di ((cua tu) OR (cua su))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "bo sach ((ty nang) or (ky nang)) xa hoi. hieu hien bach nuoc va danh di ((cua tu) OR (cua su))~".
• Adding a wildcard symbol may retrieve word variants: bo sach ((ty nang) or (ky nang)) xa hoi. hieu hien bach nuoc va danh di ((cua tu) OR (cua su))*.