Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh cua » doanh cua, manh cua
tran hong » tran hoang, tran trong, tranh hang
trinh han » trinh quan
ho chieu » theo chieu, hoc thieu, doi chieu
cua bang » chua bang, cua ban, cua dang
cong can » cong san, cong tan, cong cau
cong dan » cong san, cong tan, huong dan

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 - canh tranh cua bang ((cong can) OR (cong dan)) ((tran hong) OR (trinh han))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - canh tranh cua bang ((cong can) OR (cong dan)) ((tran hong) or (trinh han))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh tranh cua bang ((cong can) OR (cong dan)) ((tran hong) or (trinh han))*.