Perhaps you should try some spelling variations:
tran tuan » tran quang, tran thanh, tranh luan
tran xuan » tran quang, tran van
dung cong » dung trong
25 trieu » 30 trieu
tra tuan » tra quan, tri tuan, ta tuan
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: 25 trieu tinh - thanh ((tra tuan) or (((tran tuan) OR (tran xuan)))) dung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 25 trieu tinh - thanh ((tra tuan) OR (((tran tuan) OR (tran xuan)))) dung cong tan toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "25 trieu tinh - thanh ((tra tuan) or (((tran tuan) OR (tran xuan)))) dung cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: 25 trieu tinh - thanh ((tra tuan) or (((tran tuan) OR (tran xuan)))) dung cong tan toan cau*.