Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh mang
30 trieu » 25 trieu
tang cua » mang cua, hang cua, tang luan
cua hang » cua dang, cua nhung, cua cong
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » 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) or (30 trieu)) tinh - hanh tang cua hang ((cong dan) OR (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (30 trieu)) tinh - hanh tang cua hang ((cong dan) OR (cong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tieu) or (30 trieu)) tinh - hanh tang cua hang ((cong dan) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (30 trieu)) tinh - hanh tang cua hang ((cong dan) OR (cong san)) toan cau*.