Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
doi chieu » doc hieu, doi chi, mot chieu
cong san » cong tac
san phan » san pham, van phan, sat phan
cong dan » cong tan, huong dan, cong dong
dan hanh » dang hanh, dan khanh, dan thanh
hanh cau » nhanh cau, hang cau, hanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - thanh cong san phan cong dan hanh cau~.
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - thanh cong san phan cong dan hanh cau*.