Perhaps you should try some spelling variations:
tinh quan » tinh quang, trinh quan, tin quan
kiem soat » kiem toan
tinh dang » tinh dung, binh dang, tinh sang
quang van » quang ban, quang uan, quang va
bien soan » bien so
quan van » luan van, quan va, quan doan
luan va » luan van, luat va
va kiem » van kien

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

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