Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, tran tuan, truong thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
hung cong » nhung cong, hung cuong, phung cong
cong dan » cong san, cong tan, huong dan
chan ban » can ban, chat ban, chan doan
chan nan » chan nhan, chang nang, chan doan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh ((trung tuan) or (trung tam)) hung cong dan ((chan ban) OR (chan nan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((trung tuan) OR (trung tam)) hung cong dan ((chan ban) OR (chan nan)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((trung tuan) or (trung tam)) hung cong dan ((chan ban) OR (chan nan))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trung tuan) or (trung tam)) hung cong dan ((chan ban) OR (chan nan))*.