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
cua thuoc » nha thuoc, cay thuoc, cua nuoc
so sach » so sanh, bo sach, hoc sach
co sach » bo sach, cuon sach, hoc sach
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cua tuc » cua duc, cua tu, luat tuc

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

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