Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
chieu sang » chieu sach, chieu xanh, hieu lang
cuu phuong » cac phuong, thu phuong
doi chieu » doc hieu, doi chi, ho chieu
nhan dinh » nhan sinh, phan dinh, nhan tinh
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 - nhan dinh cuu phuong cong dan ((toan cao) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - nhan dinh cuu phuong cong dan ((toan cao) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - nhan dinh cuu phuong cong dan ((toan cao) or (van ban))*.