Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh dung » thanh duong, thanh tung, thanh hung
cong cong » cong dong, trong cong, dung cong
cho cong » cao cong, cua cong, cac cong
cong dan » cong san, cong tan, huong dan
gian dan » gian lang
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 tinh) or (va tinh)) - thanh dung cho cong cong dan gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (va tinh)) - thanh dung cho cong cong dan gian dan*.