Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
xuan thang » xuan thanh, xuan trang, quan thanh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh tang » hanh trang, anh tang, hanh mang
cua hang » cua dang, cua nhung, cua cong
cong tan » cong tac, cong san, 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 ((xuan thang) or (cua hang)) ((cong tan) OR (cong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tang ((xuan thang) OR (cua hang)) ((cong tan) OR (cong thanh)) toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh tang ((xuan thang) or (cua hang)) ((cong tan) OR (cong thanh)) toan ban".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh tang ((xuan thang) or (cua hang)) ((cong tan) OR (cong thanh)) toan ban*.