Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
lanh tranh » canh tranh, lan tranh, hanh trinh
hanh trang » thanh trung, canh tranh, hanh trinh
hieu lang » hieu quang, nhieu tang, hieu van
nang cong » nang song, dang cong, bang cong
cong van » cong vang, cong san, song van
va nang » van nang, da nang, cam nang
van van » tan van, san van, van vat

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 sang) or (hieu lang)) - ((lanh tranh) or (hanh trang)) va nang cong van van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (hieu lang)) - ((lanh tranh) OR (hanh trang)) va nang cong van van ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (hieu lang)) - ((lanh tranh) or (hanh trang)) va nang cong van van ban*.