Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
nhung cong » dung cong, thong cong, hang cong
nhan dinh » nhan sinh, phan dinh, nhan tinh
cuu nhung » cua nhung, cuu phuong, chua nhung
dinh cuu » dinh chi
cong dan » cong san, cong tan, huong dan
toan cao » toan ban, toan tap

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 sang) or (chieu sach)) - nhan dinh cuu nhung cong dan ((toan cao) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sang) OR (chieu sach)) - nhan dinh cuu nhung cong dan ((toan cao) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sang) or (chieu sach)) - nhan dinh cuu nhung cong dan ((toan cao) or (van ban))*.