Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
chau tinh » cuu tinh, ha tinh, cua tinh
nha thong » nhan thong, nhat thuong, nghe thong
thong tu » phong tuc, thong tin, thong ke
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
toan cao » toan ban, toan tap
tu hung » tu chung, tu nhung, tu vung

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu xanh) or (chau tinh)) - nha thong tu hung ((cong dan) or (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chau tinh)) - nha thong tu hung ((cong dan) OR (cong tac)) toan cao.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chau tinh)) - nha thong tu hung ((cong dan) or (cong tac)) toan cao*.