Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
trang chuc » trang phuc, trang thuc, trang cho
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
song than » sang than, long than, song nhan
cong tan » cong tac, cong san, cong 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 hieu lang - hanh trang chuc nang ((cong tan) or (song than)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - hanh trang chuc nang ((cong tan) OR (song than)) toan cao.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - hanh trang chuc nang ((cong tan) or (song than)) toan cao*.