Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
van thanh » ban thanh, van tuan
ho chieu » theo chieu, hoc thieu, doi chieu
vat cong » bat cong, sat cong, vat dong
ban than » ban thanh, ban hang, ban hanh
vat con » va con, vat co, vit con

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 - hanh tranh cua ((vat cong) OR (vat con)) ((ban than) OR (van thanh)) cap~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tranh cua ((vat cong) or (vat con)) ((ban than) or (van thanh)) cap*.