Perhaps you should try some spelling variations:
hoc thieu » hoc hien
thinh dan » thinh doan, trinh dan, hinh dan
lan cong » luan cong, lanh cong, van cong
cong dan » cong san, cong tan, huong dan
van phan » van phong, van thanh, luan phan
dan lan » dan luan, dan lap, dam lan
dan van » dang van, doan van, dao van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (toc thieu)) sang - thinh dan lan cong dan van phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) sang - thinh dan lan cong dan van phan tu*.