Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
thuong dam » thuong mai, huong dan, truong dai
tieu xanh » tieu danh, chieu xanh, dieu hanh
chua hang » cua hang, chua nang, chua bang
chua xang » chua nang, chuc nang, chu bang
dam than » dam thanh, tam than, dam phan
than cau » toan cau, phan cau, 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 tranh ((chua hang) or (chua xang)) thuong dam than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh tranh ((chua hang) OR (chua xang)) thuong dam than cau*.