Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh tranh » canh tranh, hanh trinh, hanh trang
cong duong » cuong duong, cong dong, con duong
tranh cua » doanh cua, manh cua
duong va » duong van, dung va, luong va
tan ban » toan ban, tang ban, van ban
va tan » van tan, va toan, va than

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chieu sang)) - hanh tranh cua cong duong va tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - hanh tranh cua cong duong va tan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - hanh tranh cua cong duong va tan ban*.