Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trung » thanh trung, hanh trang, manh trung
trung cap » truong cao, trung tam
tong cong » trong cong, cong cong, dung cong
dan khanh » dang khanh, van khanh, dat khanh
khanh cac » hanh cac, thanh cac, phan cac
cap tong » cap nong, cap hoang, gap trong
cong dan » cong san, cong tan, huong dan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu xanh) or (dieu hanh)) - hanh trung cap tong cong dan khanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu xanh) OR (dieu hanh)) - hanh trung cap tong cong dan khanh cac*.