Perhaps you should try some spelling variations:
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, mot chieu
hoc thieu » toc thieu, hoc hien
luan phan » luan van, luan hoan
tung dan » dung dan, huong dan, trung dai
phan lap » phan dau
dan ung » dan dung, dan vung, dang ung

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