Perhaps you should try some spelling variations:
manh tung » manh hung, thanh tung
tam thang » tam than, nam thang, tat thang
thi lien » thi lan
tung tam » trung tam, vung tam, dung tam
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
tran cau » tran chau, toan cau, ran cau
co lieu » cot lieu, co hieu, so lieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((co lieu) or (thi lien)) tinh - manh tung tam thang ((cong tan) OR (cong tac)) tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((co lieu) OR (thi lien)) tinh - manh tung tam thang ((cong tan) OR (cong tac)) tran cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((co lieu) or (thi lien)) tinh - manh tung tam thang ((cong tan) OR (cong tac)) tran cau".
• Adding a wildcard symbol may retrieve word variants: ((co lieu) or (thi lien)) tinh - manh tung tam thang ((cong tan) OR (cong tac)) tran cau*.