Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, nhieu tang
hanh tranh » canh tranh, hanh trinh, hanh trang
hieu lang » hieu quang, nhieu tang, hieu van
tranh van » tran van, trinh van, thanh van
nang cong » nang song, dang cong, bang cong
van nang » van quang, van ban, van dong
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 xanh) or (((chieu sang) or (hieu lang)))) - hanh tranh van nang cong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (((chieu sang) OR (hieu lang)))) - hanh tranh van nang cong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (((chieu sang) or (hieu lang)))) - hanh tranh van nang cong dan toan cau*.