Perhaps you should try some spelling variations:
dang thanh » dong thanh, dang hanh, hoang thanh
cang thang » cong thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
chinh cua » chinh ca, chinh sua, hinh cua
hang cong » dang cong, hang nong, bang cong
hoc hieu » hoc thieu, hoc hien, doc hieu
cua hang » cua dang, cua nhung, cua cong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - hanh chinh cua hang cong ((cang thang) or (dang thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - hanh chinh cua hang cong ((cang thang) OR (dang thanh)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - hanh chinh cua hang cong ((cang thang) or (dang thanh)) cau*.