Perhaps you should try some spelling variations:
trien hoat » tien hoa
tinh dung » trinh dung, tin dung, tinh quang
van trien » van tien, va trien, van tren
hanh qua » thanh qua, hanh sua, hanh cua
quan van » quan va, quan luan, quan doan
van van » van ban, tan van, san van
luan » lan
hoat » khoat
hoa » khoa

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 trien hoat ) or ( hanh qua quan van van hoa ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh dung luan van trien hoat ) OR ( hanh qua quan van van hoa ))*.