Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
hoc thien » hoc hien, hoc thieu, hoc thiet
ca chang » ca chung, co chang, san chang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
ca hang » cua hang, va hang, ca tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien danh - hanh chinh ((ca hang) or (ca chang)) cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien danh - hanh chinh ((ca hang) OR (ca chang)) cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thien danh - hanh chinh ((ca hang) or (ca chang)) cong dan than cau*.