Perhaps you should try some spelling variations:
hoc khien » hoc hien, hoc nghien, hoc thieu
hanh hinh » hanh chinh, hanh tinh, hanh dinh
hinh thuc » sinh thuc, dinh thuc, kinh thuc
thuc dang » thuoc dang, thuc dan, thuc dung
dang cong » dung cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than tap » toan tap, han tap, phan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc khien) or (toc thieu)) tinh - hanh hinh thuc dang cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc khien) OR (toc thieu)) tinh - hanh hinh thuc dang cong dan than tap*.