Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trung » thanh trung, hanh trang, manh trung
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
hung cong » hung cuong, phung cong, dung cong
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 ((hung cong) or (nhung 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 ((hung cong) OR (nhung 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 ((hung cong) or (nhung cong)) dan ((chan ban) OR (chan nan))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh trung tuan ((hung cong) or (nhung cong)) dan ((chan ban) OR (chan nan))*.