Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tieu sang » chieu sang, tieu dung, tiem nang
tranh vat » trinh vat, tranh va, tranh van
dung cong » dung trong
tam thanh » nam thanh, am thanh, dam thanh
vat dung » van dung, va dung, viet dung
tam than » ban than

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 sang - hanh tranh vat dung cong ((tam than) or (tam thanh)) man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - hanh tranh vat dung cong ((tam than) OR (tam thanh)) man*.