Perhaps you should try some spelling variations:
hoc thien » hoc hien, hoc thieu, hoc thiet
thien anh » thien danh, tien anh, thien thanh
chinh can » chinh ca, chinh ban, chinh cau
dung cong » dung trong
thanh lap » thanh san, phan lap, thanh hai
can dung » chan dung, van dung, dan dung
cong san » cong tac
than cap » khan cap, thanh cac, than cua

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 anh - hanh chinh can dung cong san ((than cap) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien anh - hanh chinh can dung cong san ((than cap) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: hoc thien anh - hanh chinh can dung cong san ((than cap) or (thanh lap))*.