Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
mang cua » dung cua, ban cua, cong cua
manh cua » doanh cua, ban cua
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
phan dau » phan tu, hang dau
ho hieu » ho chieu, hoi hieu, nho hieu

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 cua) or (manh cua)) dang ((cong dan) or (cong san)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh ((mang cua) OR (manh cua)) dang ((cong dan) OR (cong san)) phan dau.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh ((mang cua) or (manh cua)) dang ((cong dan) or (cong san)) phan dau*.