Perhaps you should try some spelling variations:
dung xuat » dung xuan, dung luat, dung luan
dung quat » dung quan, dung qua, dung luat
kiem soat » kiem toan
tin thong » tin thuong, tin trong, tin tuong
quan van » luan van, quan va, quan luan
van tien » toan tien, van hieu, van tuan
va kiem » van kien
tien so » bien so, tien bo, tin so

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( trinh ((dung xuat) OR (dung quat)) va kiem soat ) or ( tin thong quan van tien so ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( trinh ((dung xuat) OR (dung quat)) va kiem soat ) OR ( tin thong quan van tien so )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( trinh ((dung xuat) OR (dung quat)) va kiem soat ) or ( tin thong quan van tien so ))".
• Adding a wildcard symbol may retrieve word variants: (( trinh ((dung xuat) OR (dung quat)) va kiem soat ) or ( tin thong quan van tien so ))*.