Perhaps you should try some spelling variations:
dong thanh » truong thanh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tang cua » mang cua, hang cua, tang luan
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
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: theo tieu xanh - hanh tang cua nhung ((((cong tan) or (cong tac))) or (dong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tang cua nhung ((((cong tan) OR (cong tac))) OR (dong thanh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang cua nhung ((((cong tan) or (cong tac))) or (dong thanh)) toan tap*.