Perhaps you should try some spelling variations:
duong cong » dung cong, luong cong, duong trong
ho trieu » mot trieu, 25 trieu, 30 trieu
trang va » tran van, hang va
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
mang va » mang vua, hang va, dang va
bang va » hang va, ban va, dang van

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 - hanh ((mang va) or (((bang va) OR (trang va)))) duong cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - hanh ((mang va) OR (((bang va) OR (trang va)))) duong cong dan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho trieu tinh - hanh ((mang va) or (((bang va) OR (trang va)))) duong cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: ho trieu tinh - hanh ((mang va) or (((bang va) OR (trang va)))) duong cong dan toan ban*.