Perhaps you should try some spelling variations:
luan nhung » luan chung, luan hung, quan nhung
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh tang luan nhung ((cong tan) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tang luan nhung ((cong tan) OR (cong tac)) toan ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang luan nhung ((cong tan) or (cong tac)) toan ban*.