Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung cao » truong cao, trung cap, trung co
doan phan » doanh phan, toan phan, dan phan
ho chieu » theo chieu, hoc thieu, doi chieu
cao cong » cac cong, cao dang, cua cong
dan chan » dan gian, dan ca, van chat

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 sang - thanh trung cao cong dong ((doan phan) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung cao cong dong ((doan phan) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung cao cong dong ((doan phan) or (dan chan)) cau*.