Perhaps you should try some spelling variations:
thanh trung » thanh tung
chap thuong » chan thuong, phan thuong, pham thuong
chieu sang » chieu sach, chieu xanh, hieu lang
han thuong » hang thuong, phan thuong, lan thuong
doi chieu » doc hieu, doi chi, ho chieu
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac

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 - thanh trung ((chap thuong) or (han thuong)) ((cong dong) or (cong san)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh trung ((chap thuong) OR (han thuong)) ((cong dong) OR (cong san)) than cap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh trung ((chap thuong) or (han thuong)) ((cong dong) or (cong san)) than cap*.