Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
bang thanh » ban thanh, dang thanh, tang thanh
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
bong toan » cong toan, phong toan, trong toan
ho chieu » theo chieu, hoc thieu, doi chieu

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 cua) OR (trung cap)) nhung cong ((bong toan) OR (bang thanh)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh ((trung cua) OR (trung cap)) nhung cong ((bong toan) or (bang thanh)) cau~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh ((trung cua) OR (trung cap)) nhung cong ((bong toan) or (bang thanh)) cau*.