Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
hang cong » dang cong, hang nong, bang cong
manh cua » doanh cua, ban cua
dung cua » dung luan, dung cho
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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 tieu xanh - hanh ((manh cua) or (dung cua)) hang cong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((manh cua) OR (dung cua)) hang cong van toan ban.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((manh cua) or (dung cua)) hang cong van toan ban*.