Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
hieu quang » thieu quang, hieu quan, hieu qua
dung cuong » dung cong, dung luong, dang cuong
hieu lang » chieu sang, nhieu tang, hieu van
thang van » tang van, thanh van, thong van
doanh van » doan van, doanh va, doanh ban
van dung » van dong, xay dung, tin dung
danh van » dang van, dinh van, anh van

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 (hieu quang)) - thanh thang van dung cuong ((danh van) OR (doanh van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (hieu quang)) - thanh thang van dung cuong ((danh van) OR (doanh van)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) or (hieu quang)) - thanh thang van dung cuong ((danh van) OR (doanh van)) ban".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (hieu quang)) - thanh thang van dung cuong ((danh van) OR (doanh van)) ban*.