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