Perhaps you should try some spelling variations:
luat trong » suat trong, thuat trong, luat thuong
hieu manh » chieu xanh, hieu nganh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
tang luat » tang luan, nang suat, hang luan
hoc hieu » hoc thieu, hoc hien, doc hieu
cong dan » cong san, cong tan, cong dong
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - hanh tang luat trong ((cong dan) or (huong dan)) han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh tang luat trong ((cong dan) OR (huong dan)) han tap*.