Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
vuong tuan » vuong quan, duong tuan, vuong tan
vong tuan » cong tuan, hoang tuan, trong tuan
ho trieu » mot trieu, 25 trieu, ho chieu
30 trieu » 25 trieu
trung va » truong va, trang va, trung ha
va thong » va thuong, va phuong, he thong

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 - manh trung va thong thong ((vong tuan) OR (vuong tuan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (30 trieu)) tinh - manh trung va thong thong ((vong tuan) OR (vuong tuan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) or (30 trieu)) tinh - manh trung va thong thong ((vong tuan) OR (vuong tuan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) or (30 trieu)) tinh - manh trung va thong thong ((vong tuan) OR (vuong tuan)) cau*.