Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
dieu danh » dieu hanh, tieu danh, dia danh
tang luan » dung luan
dung cua » dung luan, dung cho
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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) or (dieu danh)) - hanh ((tang luan) or (dung cua)) nhung cong van toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu xanh) OR (dieu danh)) - hanh ((tang luan) OR (dung cua)) nhung cong van toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu xanh) or (dieu danh)) - hanh ((tang luan) or (dung cua)) nhung cong van toan cao*.