Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
cap thuong » chap thuong, ca thuong, cao thuong
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - thanh trung cap thuong cong ((dan than) or (dan chan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung cap thuong cong ((dan than) OR (dan chan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung cap thuong cong ((dan than) or (dan chan)) cau*.