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 lang » cong vang, cong luong, cong quang
lang toan » dang toan, lang thang, lang 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 lang toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh ((thong cua) OR (tang luan)) hang cong lang toan cao.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh ((thong cua) or (tang luan)) hang cong lang toan cao*.