Perhaps you should try some spelling variations:
thanh tung » thanh cong
tung tang » trung tang, trung thang, hung thang
tang dung » tang duong, dang dung, tan dung
theo chu » theo chieu, cho chu, chao chu
chu tinh » chau tinh, chua tinh, cuu tinh
cong tan » cong tac, cong thanh, cong ty
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 chu tinh - thanh tung tang dung ((cong tan) OR (cong san)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu tinh - thanh tung tang dung ((cong tan) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chu tinh - thanh tung tang dung ((cong tan) OR (cong san)) toan cau*.