Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
nhanh lang » nhanh quang, nhanh thang, nhan dang
cong ngang » cong nhan, cong quang, cong lang
ngang toan » nganh toan, dang toan, quang toan
hieu lang » chieu sang, hieu quang, nhieu tang
dung cong » dung trong
toan ban » van ban
lang va » lang van, hang va, lang ha
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chieu xanh)) - nhanh lang va dung cong ngang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu xanh)) - nhanh lang va dung cong ngang toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu xanh)) - nhanh lang va dung cong ngang toan ban*.