Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
van khang » van thanh, van quang, van hanh
van khanh » van thanh, van hanh, van anh
hanh han » hanh nhan, hanh phan, hanh san
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap

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 tinh - hanh han ((van khang) OR (van khanh)) cong dan than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - hanh han ((van khang) OR (van khanh)) cong dan than cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - hanh han ((van khang) OR (van khanh)) cong dan than cao*.