Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
truong dat » truong dai, truong dao, trong dat
quang dung » quang trung, ung dung, cuong dung
doi chieu » doc hieu, doi chi, mot chieu
dat quang » dau quang, chat quang, dang quang
luan phan » luan van, luan hoan
phan dau » phan tu, hang dau

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 truong dat quang dung luan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) tinh - thanh truong dat quang dung luan phan dau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (toc thieu)) tinh - thanh truong dat quang dung luan phan dau*.