Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
luong cong » dung cong, trong cong, cong cong
thanh toan » thanh hoa, thanh san, tinh toan
hanh tran » hanh trang, thanh tran, hanh tram
van luong » van duong, van cuong, nang luong
ho trieu » mot trieu, 25 trieu, ho chieu
30 trieu » 25 trieu
tran van » luan van
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: ((ho trieu) or (30 trieu)) tinh - hanh tran van luong cong thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (30 trieu)) tinh - hanh tran van luong cong thanh toan cau.
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) or (30 trieu)) tinh - hanh tran van luong cong thanh toan cau*.