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