Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
hanh dung » thanh dung, anh dung, hanh dong
luan phan » luan van, luan hoan
phan cong » thanh cong
cong dan » cong san, cong tan, huong dan
dan tho » dan thi, can tho, dai tho
tho cap » theo cap, tho ca, tho cac

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)) sang - hanh dung luan phan cong dan tho cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (toc thieu)) sang - hanh dung luan phan cong dan tho cap*.