Perhaps you should try some spelling variations:
hinh sinh » tinh sinh, hinh dinh, hinh kinh
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
ho trieu » mot trieu, 25 trieu, ho chieu
30 trieu » 25 trieu
sinh cua » manh cua, dinh cuu, sinh va
cua dung » cua dang, cua dong, qua dung
dan than » dan chan, ban than, van than

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 - hinh sinh cua dung cong ((dan than) or (manh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (30 trieu)) tinh - hinh sinh cua dung cong ((dan than) OR (manh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) OR (30 trieu)) tinh - hinh sinh cua dung cong ((dan than) or (manh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((ho trieu) OR (30 trieu)) tinh - hinh sinh cua dung cong ((dan than) or (manh toan)) cau*.