Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu sang » chieu sach, chieu xanh, hieu lang
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
bang thanh » ban thanh, dang thanh, tang thanh
doi chieu » doc hieu, doi chi, ho chieu
cong bang » cuong bang, dong bang, hong bang
thanh lap » thanh san, phan lap, thanh hai

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 ((truong cua) OR (truong cao)) thuong cong bang thanh lap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sang - thanh ((truong cua) OR (truong cao)) thuong cong bang thanh lap".
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh ((truong cua) OR (truong cao)) thuong cong bang thanh lap*.