Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
chieu sang » chieu sach, chieu xanh, hieu lang
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
cong danh » cuong danh, cong dan, cong khanh
cua hang » cua dang, cua nhung, cua cong

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 - canh tranh cua hang ((cong danh) or (cong thanh)) ((toan ban) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - canh tranh cua hang ((cong danh) OR (cong thanh)) ((toan ban) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - canh tranh cua hang ((cong danh) or (cong thanh)) ((toan ban) or (van ban))*.