Perhaps you should try some spelling variations:
khuyet danh » thuyet dan
thuyet anh » thuyet kinh, thuy anh, thuyet dan
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
cua trong » cua truong, cua trung, qua trong
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 ((khuyet danh) or (thuyet anh)) - hanh trung cua trong cong dan than tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((khuyet danh) OR (thuyet anh)) - hanh trung cua trong cong dan than tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((khuyet danh) or (thuyet anh)) - hanh trung cua trong cong dan than tap*.