Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sang » chieu sang, thieu khang, thieu quang
trung cap » truong cao, trung tam
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
van chinh » va chinh, lan chinh, van thinh
chinh phu » tinh phu, chinh cho

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu sang - thanh trung cap ((hang cong) or (bang cong)) van chinh phu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sang - thanh trung cap ((hang cong) OR (bang cong)) van chinh phu.
• Adding a wildcard symbol may retrieve word variants: toc thieu sang - thanh trung cap ((hang cong) or (bang cong)) van chinh phu*.