Perhaps you should try some spelling variations:
tieu xanh » tieu danh, chieu xanh, dieu hanh
thong cua » thong quan, thong tu, huong cua
tang luan » dung luan
hang cong » dang cong, hang nong, bang cong
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 - hanh ((thong cua) OR (tang luan)) hang cong van toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh ((thong cua) OR (tang luan)) hang cong van toan cao".
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((thong cua) OR (tang luan)) hang cong van toan cao*.