Perhaps you should try some spelling variations:
chien thang » chien thuong, chien chong, hien trang
chien toan » thien toan, chien tranh, dien toan
kiem soat » kiem toan
quang uan » quang tuan, quang ban, quang tran
luan va » luan van, luat va
va kiem » van kien
uan van » luan van, quan van, tan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin dung luan va kiem soat ) or ( tinh quang uan van ((chien toan) OR (chien thang)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung luan va kiem soat ) OR ( tinh quang uan van ((chien toan) OR (chien thang)) ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tin dung luan va kiem soat ) or ( tinh quang uan van ((chien toan) OR (chien thang)) ))*".