Perhaps you should try some spelling variations:
hoc chieu » ho chieu, hoc hien, hoc dieu
hoc thieu » toc thieu, hoc hien
danh than » danh thanh, danh thang, danh nhan
tinh cong » trinh cong, tinh cuong, minh cong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than van » thanh van, tran van, phan van
than va » thanh va, nhan va, toan va
va tinh » may tinh

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

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