Perhaps you should try some spelling variations:
thanh trung » thanh tung
tieu xanh » tieu danh, chieu xanh, dieu hanh
chua dong » cua dong, huy dong, hoa dong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
ha dong » hoat dong, van dong

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 - thanh trung ((chua dong) or (ha dong)) cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - thanh trung ((chua dong) OR (ha dong)) cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - thanh trung ((chua dong) or (ha dong)) cong tan toan cau*.