Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
nhung cong » dung cong, hang cong, nhung don
doi trieu » doi chieu, doi trinh, hoi tieu
minh doan » minh doanh, minh toan, minh don
vang toan » van toan, dang toan, quang toan
toan ban » van ban
dong » dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi trieu) OR (dong trieu)) tinh - minh doan va ((nhung cong) or (thong cong)) vang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi trieu) OR (dong trieu)) tinh - minh doan va ((nhung cong) OR (thong cong)) vang toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi trieu) OR (dong trieu)) tinh - minh doan va ((nhung cong) or (thong cong)) vang toan ban".
• Adding a wildcard symbol may retrieve word variants: ((doi trieu) OR (dong trieu)) tinh - minh doan va ((nhung cong) or (thong cong)) vang toan ban*.