Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
duong dan » duong dang, huong dan, duong van
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
cong hoa » dong hoa, hang hoa
dong hoc » dong co, dong luc
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu tinh - thanh ((cong san) or (((cong hoa) OR (dong hoc)))) tuong duong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - thanh ((cong san) OR (((cong hoa) OR (dong hoc)))) tuong duong dan phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu tinh - thanh ((cong san) or (((cong hoa) OR (dong hoc)))) tuong duong dan phan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - thanh ((cong san) or (((cong hoa) OR (dong hoc)))) tuong duong dan phan cau*.