Perhaps you should try some spelling variations:
quang luan » quan luan, quang tuan, quang uan
tinh dung » trinh dung, tin dung, tinh quang
hien soat » thien hoat, kiem soat, hien luat
trinh dan » trinh han, trinh san, trinh da
dan quang » dang quang, doan quang, van quang
van hien » van hieu, van tien
bien so » bien doi

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 van hien soat ) or ( trinh dan quang luan ((bien soan) OR (bien so)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh dung luan van hien soat ) OR ( trinh dan quang luan ((bien soan) OR (bien so)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tinh dung luan van hien soat ) or ( trinh dan quang luan ((bien soan) OR (bien so)) ))".
• Adding a wildcard symbol may retrieve word variants: (( tinh dung luan van hien soat ) or ( trinh dan quang luan ((bien soan) OR (bien so)) ))*.