Perhaps you should try some spelling variations:
hieu manh » chieu xanh, hieu nganh, dieu hanh
hieu lang » chieu sang, hieu quang, nhieu tang
nang quan » ban quan, nang suat
quan lang » quan hoang, gian lang, quan luan
cong danh » cuong danh, cong dan, cong thanh
van nang » van quang, van ban, van dong
cong anh » dong anh, hong anh, cong thanh
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) or (hieu lang)) - van nang quan lang ((cong anh) or (cong danh)) tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (hieu lang)) - van nang quan lang ((cong anh) OR (cong danh)) tuan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (hieu lang)) - van nang quan lang ((cong anh) or (cong danh)) tuan cau*.