Perhaps you should try some spelling variations:
nhanh thanh » nhanh tinh
chieu sang » chieu sach, chieu xanh, hieu lang
phan thanh » pham thanh, ban thanh, van thanh
ho chieu » theo chieu, hoc thieu, doi chieu
cong van » cong vang, song van, cong tan
cong san » cong tac
toan ban » van ban
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 chieu sang - ((phan thanh) or (nhanh thanh)) va dung ((cong van) OR (cong san)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((phan thanh) OR (nhanh thanh)) va dung ((cong van) OR (cong san)) toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - ((phan thanh) or (nhanh thanh)) va dung ((cong van) OR (cong san)) toan ban*".