Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
thong cong » tong cong, thong thong, phong chong
tieu xanh » tieu danh, chieu xanh, dieu hanh
trang cua » tranh cua, tang cua, trung cua
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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 trang cua ((thong cong) or (trong cong)) dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh trang cua ((thong cong) OR (trong cong)) dan than cao*.