Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
trong tuan » trung tuan, trong tan, trang tuan
trong quan » thong quan, tong quan, thong quang
dung cong » dung trong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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 sang - hanh ((trong tuan) or (trong quan)) dung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - hanh ((trong tuan) OR (trong quan)) dung cong tac toan ban*.