Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
tranh viet » tran viet, trinh viet, trang viet
viet dung » viet hung, viet huong, viet trung
dung cong » dung trong
thanh tap » thanh lap, thanh tam, thanh tan
thanh tay » thanh toan, thanh thuy, thanh san
thanh tai » thanh hai, thanh toan, doanh tai
ho chieu » theo chieu, hoc thieu, doi chieu
cong van » cong vang, cong san, song van

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 viet dung cong van ((thanh tap) OR (((thanh tay) OR (thanh tai))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - canh tranh viet dung cong van ((thanh tap) or (((thanh tay) OR (thanh tai))))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh tranh viet dung cong van ((thanh tap) or (((thanh tay) OR (thanh tai))))*.