Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
hien hanh » dieu hanh
cua nhung » va nhung
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - anh tang ((luan nhung) or (cua nhung)) cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - anh tang ((luan nhung) OR (cua nhung)) cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - anh tang ((luan nhung) or (cua nhung)) cong dan toan tap*.