Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
cuong danh » cuon danh, huong dan, cuong linh
dong thanh » truong thanh
doi chieu » doc hieu, doi chi, ho chieu
trung cap » truong cao, trung tam
tang cua » mang cua, hang cua, tang luan
toan ban » van ban

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 - hanh ((tang cua) or (trung cap)) nhung ((cuong danh) or (dong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - hanh ((tang cua) OR (trung cap)) nhung ((cuong danh) OR (dong thanh)) toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - hanh ((tang cua) or (trung cap)) nhung ((cuong danh) or (dong thanh)) toan ban*.