Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, truong thanh
phong cong » phong chong, thong cong, chong cong
tran tuan » tran xuan, tran quang, tran thanh
van thanh » ban thanh, van tuan
ho chieu » theo chieu, hoc thieu, doi chieu
van than » van thang, van tuan, van phan

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: ho chieu xanh - thanh ((trung tuan) OR (tran tuan)) phong cong ((van than) OR (van thanh)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((trung tuan) OR (tran tuan)) phong cong ((van than) or (van thanh)) cau~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung tuan) OR (tran tuan)) phong cong ((van than) or (van thanh)) cau*.