Perhaps you should try some spelling variations:
chieu sang » chieu sach, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh chua » tranh cua, trinh chuan, tranh chap
hieu lang » hieu quang, nhieu tang, hieu van
chua dong » cua dong, ha dong, huy dong
dong cong » duong cong, dung cong, dang cong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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 sang) or (hieu lang))) or (chieu xanh)) - hanh tranh chua dong cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sang) OR (hieu lang))) OR (chieu xanh)) - hanh tranh chua dong cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) or (hieu lang))) or (chieu xanh)) - hanh tranh chua dong cong dan toan cau*.