Perhaps you should try some spelling variations:
thanh tung » thanh cong
quang dung » quang trung, ung dung, cuong dung
doi chieu » doc hieu, doi chi, mot chieu
dan quang » dang quang, doan quang, van quang
tung dan » dung dan, huong dan, trung dai
van tu » van thu, van du, ban tu
luan » quan, lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (toc thieu)) tinh - thanh tung dan quang dung luan van tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) tinh - thanh tung dan quang dung luan van tu.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) tinh - thanh tung dan quang dung luan van tu*.