Perhaps you should try some spelling variations:
tinh dung » trinh dung, tin dung, tinh quang
luan luan » quan luan, luan luong, luan van
luan kiem » luat kiem, khuan kiem, luong kiem
kiem soat » kiem toan
kien toan » kiem toan, dien toan, thien toan
lam van » nam van, dam van, lai van
lam san » lam sang, lam son, luan san

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tinh dung luan luan kiem soat ) or ( tinh dung ((lam van) OR (lam san)) kien toan ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh dung luan luan kiem soat ) OR ( tinh dung ((lam van) OR (lam san)) kien toan )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tinh dung luan luan kiem soat ) or ( tinh dung ((lam van) OR (lam san)) kien toan ))".
• Adding a wildcard symbol may retrieve word variants: (( tinh dung luan luan kiem soat ) or ( tinh dung ((lam van) OR (lam san)) kien toan ))*.