Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
quan cong » qua cong, luan cong, quan dong
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
ho chieu » theo chieu, hoc thieu, mot chieu
phan lap » phan dau
dung co » dung cho, dung cong, dung cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (toc thieu)) tinh - thanh dung co quan cong luan phan lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (toc thieu)) tinh - thanh dung co quan cong luan phan lap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (toc thieu)) tinh - thanh dung co quan cong luan phan lap*.