Perhaps you should try some spelling variations:
thanh tung » thanh cong
quang dung » quang trung, ung dung, cuong dung
bien tinh » bi tinh, yen tinh, diep tinh
trong tan » trong quan, trong cac, trong ca
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap
ho bien » pho bien, hoa bien, so bien

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho bien tinh - ((canh tranh) or (thanh tung)) quang dung trong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho bien tinh - ((canh tranh) OR (thanh tung)) quang dung trong tan than cau.
• Adding a wildcard symbol may retrieve word variants: ho bien tinh - ((canh tranh) or (thanh tung)) quang dung trong tan than cau*.