Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hinh dinh » binh dinh, trinh dinh, hinh anh
cong cong » trong cong, dung cong, dang cong
ho chieu » theo chieu, hoc thieu, doi chieu
dinh cuu » dinh chi
phan cac » nhan cach, phan lap, phan van
phan dau » phan tu, hang dau

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hinh dinh cuu ((cong cong) OR (cong dong)) dan ((phan cac) OR (phan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hinh dinh cuu ((cong cong) OR (cong dong)) dan ((phan cac) or (phan dau))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hinh dinh cuu ((cong cong) OR (cong dong)) dan ((phan cac) or (phan dau))*.