Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trang, lanh tranh
chieu sang » chieu sach, chieu xanh, nhieu tang
hanh trinh » canh tranh, hanh chinh
hieu lang » hieu quang, nhieu tang, hieu van
va trong » va truong, va thong, va tuong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((hieu lang) or (chieu sang)) - ((hanh tranh) or (hanh trinh)) va trong cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (chieu sang)) - ((hanh tranh) OR (hanh trinh)) va trong cong dan than ban.
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (chieu sang)) - ((hanh tranh) or (hanh trinh)) va trong cong dan than ban*.