Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung cap, dung cua
manh toan » thanh toan, anh tuan, tinh toan
dan than » dan chan, ban than, van than

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((trung cua) OR (trung tuan)) nhung cong ((dan than) OR (manh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh ((trung cua) OR (trung tuan)) nhung cong ((dan than) or (manh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trung cua) OR (trung tuan)) nhung cong ((dan than) or (manh toan)) cau*.