Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh dung » thanh dung, anh dung, hanh dong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
va thong » va thuong, va phuong, he thong
cong tac » cong ty
tac tren » rac tren, tai tren, tap tren
tren tau » tren thuc, tren may, tren dat

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - ((hanh dung) or (canh tranh)) va thong cong tac tren tau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - ((hanh dung) OR (canh tranh)) va thong cong tac tren tau.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - ((hanh dung) or (canh tranh)) va thong cong tac tren tau*.