Perhaps you should try some spelling variations:
hien bach » vien bach, thien hach, hien hanh
hieu hien » bieu hien, dieu hien, chieu chien
bach nuoc » bach tuoc, sach nuoc, bich ngoc
sanh ky » sang ky, nganh ky, thanh ky
hanh ky » hanh kem
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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

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