Perhaps you should try some spelling variations:
doanh khanh » doanh thanh, doanh nhan, dinh khanh
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh doanh » hanh doanh, chinh doanh, doanh doanh
phong cong » phong chong, thong cong, chong cong
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan

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 xanh) OR (chieu tinh)) - canh doanh khanh phong cong tan phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu tinh)) - canh doanh khanh phong cong tan phan tu".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu tinh)) - canh doanh khanh phong cong tan phan tu*.