Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau 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 tai, thanh tam
thanh tay » thanh tai, thanh toan, thanh thuy
cong van » cong vang, cong san, song van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu xanh) OR (chieu tinh)) - canh tranh viet dung cong van ((thanh tap) or (thanh tay))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu tinh)) - canh tranh viet dung cong van ((thanh tap) OR (thanh tay)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) OR (chieu tinh)) - canh tranh viet dung cong van ((thanh tap) or (thanh tay))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) OR (chieu tinh)) - canh tranh viet dung cong van ((thanh tap) or (thanh tay))*.