Perhaps you should try some spelling variations:
nhanh bang » nhanh lang, nhanh mang, nhanh quang
hieu lang » chieu sang, hieu quang, nhieu tang
cong vang » cong lang, cong quang, cong ngang
vang toan » van toan, dang toan, quang toan
vat dung » van dung, va dung, viet dung
va huong » va thuong, va phuong, va tuong
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

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 - nhanh bang ((((vat dung) or (va huong))) or (xay dung)) cong vang toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - nhanh bang ((((vat dung) OR (va huong))) OR (xay dung)) cong vang toan ban.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - nhanh bang ((((vat dung) or (va huong))) or (xay dung)) cong vang toan ban*.