Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
hieu lang » chieu sang, hieu quang, nhieu tang
hanh mang » nhanh mang, hanh trang, nhanh lang
hang cong » dang cong, hang nong, bang cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man
ho hieu » ho chieu, hoi hieu, nho hieu
va hang » van hang, va nang, va lang

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 - ((((hanh mang) or (nhanh quang))) or (hanh trinh)) va hang cong dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((((hanh mang) OR (nhanh quang))) OR (hanh trinh)) va hang cong dan than ban.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((((hanh mang) or (nhanh quang))) or (hanh trinh)) va hang cong dan than ban*.