Perhaps you should try some spelling variations:
hoc thien » hoc hien, hoc thiet, hoc tien
hoc thieu » hoc hien
chinh vat » chinh va, chinh dat, chinh viet
dung cong » dung trong
vat dung » van dung, va dung, viet dung
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan

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) or (hoc thieu))) or (toc thieu)) anh - hanh chinh vat dung cong tan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc thien) OR (hoc thieu))) OR (toc thieu)) anh - hanh chinh vat dung cong tan phan tu.
• Adding a wildcard symbol may retrieve word variants: ((((hoc thien) or (hoc thieu))) or (toc thieu)) anh - hanh chinh vat dung cong tan phan tu*.