Perhaps you should try some spelling variations:
hien bach » thien hach, hien hanh, dien sach
bo sach » co sach, hoc sach
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cua tuc » cua duc, cua thuoc, luat tuc
sach ty » sach y, sach tu, sach thu
long ha » dong ha, cong ha, dong hoa
ty long » sy long, ta long, ty dong
ha hoi » hoa hoi, ha noi, xa hoi
cua tu » cua su, cua cu, cua te

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach ty long ha hoi. hieu ((hien bach) OR (vien bach)) nuoc va danh vi ((cua tu) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach ty long ha hoi. hieu ((hien bach) OR (vien bach)) nuoc va danh vi ((cua tu) OR (cua tuc))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "bo sach ty long ha hoi. hieu ((hien bach) OR (vien bach)) nuoc va danh vi ((cua tu) or (cua tuc))*".