Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » thong cong, hang cong, nhung don
thanh chan » thanh nhan, thanh cha, thanh cham
thanh phan » thanh pho, thanh san, thanh toan
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
trung va » truong va, trang va, trung ha

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 sach - thanh trung va ((nhung cong) OR (dung cong)) ((thanh chan) or (thanh phan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung va ((nhung cong) OR (dung cong)) ((thanh chan) OR (thanh phan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh trung va ((nhung cong) OR (dung cong)) ((thanh chan) or (thanh phan)) cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung va ((nhung cong) OR (dung cong)) ((thanh chan) or (thanh phan)) cau*.