Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
bang cong » dang cong, bang song, hang cong
30 trieu » 25 trieu
trang da » trang va, trang ha, tang da
cong dan » cong san, cong tan, huong dan
toan ban » van ban
da bang » dau bang, da nang, da dang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: 30 trieu tinh - hanh trang da bang cong dan ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - hanh trang da bang cong dan ((toan ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - hanh trang da bang cong dan ((toan ban) or (toan tap))*.