Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
hanh trang » thanh trung, canh tranh, hanh trinh
tieu xanh » tieu danh, chieu xanh, dieu hanh
trang cua » tranh cua, tang cua, trung cua
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong ty
toan cao » toan ban, toan tap

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 trang cua dang ((cong tan) OR (cong thanh)) toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh trang cua dang ((cong tan) OR (cong thanh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trang cua dang ((cong tan) OR (cong thanh)) toan cao*.