Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
ho trieu » mot trieu, 25 trieu, 30 trieu
tan toan » tan tran, van toan, dan toan
tap toan » tap doan, tap quan, bai toan

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