Perhaps you should try some spelling variations:
quang quang » quan quang, dang quang, dung quang
trien hoat » tien hoa
quang van » quang ban, quan van, quang uan
van trien » van tien, va trien, van tren
tinh dung » trinh dung, tin dung, tinh huong
luan phan » luan van, luan hoan
mem toan » kiem toan, ke toan, mem quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tinh quang quang van trien hoat ) or ( tinh dung luan phan mem toan ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tinh quang quang van trien hoat ) OR ( tinh dung luan phan mem toan ))*.