Perhaps you should try some spelling variations:
thanh luan » tranh luan, thanh xuan, thanh tuan
nhung cong » thong cong, hang cong, nhung don
chau tinh » cuu tinh, ha tinh, cac tinh
dung cong » dung trong
cua tinh » cua sinh, va tinh, ha tinh
hai quan » tac quan
quan cao » quang cao, quan cau, quan ao

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chau tinh) or (cua tinh)) - thanh luan van ((nhung cong) OR (dung cong)) hai quan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chau tinh) OR (cua tinh)) - thanh luan van ((nhung cong) OR (dung cong)) hai quan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chau tinh) or (cua tinh)) - thanh luan van ((nhung cong) OR (dung cong)) hai quan cao*".