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 » 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 trang cua dang ((cong tan) or (cong thanh)) ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh trang cua dang ((cong tan) OR (cong thanh)) ((toan cao) OR (toan tap)).
• 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) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh trang cua dang ((cong tan) or (cong thanh)) ((toan cao) OR (toan tap))*.