Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sang » chieu sang, thieu khang, thieu quang
trung hoat » trung hoa, trong hoat, trang hoat
hoc thieu » toc thieu, hoc hien
hoat hang » hoan hoang, hoat dong, hoa lang
cong sang » cong lang, cong vang, cong bang
phung cua » chung cua, khung cua, chung cu
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sang - thanh trung hoat hang ((cong san) or (cong sang)) phung cua~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh trung hoat hang ((cong san) OR (cong sang)) phung cua*.