Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
30 trieu » 25 trieu
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, trang va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: 30 trieu tinh - hanh ((mang va) OR (bang va)) nhung cong dan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "30 trieu tinh - hanh ((mang va) OR (bang va)) nhung cong dan toan ban".
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - hanh ((mang va) OR (bang va)) nhung cong dan toan ban*.