Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
tranh thi » tranh thai, tran thi, trinh thi
thi nhung » thi nang, thi hong, thi huong
tac gian » tac gia, tac giai, tac giao
tac giam » tac gia, tac giai, tac pham

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) OR (chieu sach)) - canh tranh thi nhung cong ((tac gian) OR (tac giam)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sach)) - canh tranh thi nhung cong ((tac gian) OR (tac giam)) cau~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - canh tranh thi nhung cong ((tac gian) OR (tac giam)) cau*.