Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc chieu » hoc thieu, ho chieu, hoc hien
cua dung » cua dong, qua dung, cua rung
cua dang » cua cong, cua ban
ban than » ban thanh, van thanh, ban hang
dan chan » dan gian, dan ca, van chat

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 tranh ((cua dung) OR (cua dang)) cong ((ban than) OR (dan chan)) ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - hanh tranh ((cua dung) OR (cua dang)) cong ((ban than) or (dan chan)) ban~".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh tranh ((cua dung) OR (cua dang)) cong ((ban than) or (dan chan)) ban*.