Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
cach ban » cach bao, cach ben, cach van
dan than » dan chan, ban than, van than
cac ban » cac dan, cac van, can ban

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 - ((cach ban) OR (cac ban)) cua nhung cong ((dan than) OR (manh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - ((cach ban) OR (cac ban)) cua nhung cong ((dan than) or (manh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - ((cach ban) OR (cac ban)) cua nhung cong ((dan than) or (manh toan)) cau*.