Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
dong thanh » truong thanh
hoc chieu » hoc thieu, ho chieu, hoc hien
phap dung » pham dung, phap cung, phap dong
phan dung » phan ung, phan dang, chan dung
thanh hoa » thanh pho
hoa cao » hoc cao, hoa co, hoa cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sang - thanh trung ((phap dung) or (phan dung)) dong thanh hoa cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sang - thanh trung ((phap dung) OR (phan dung)) dong thanh hoa cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - thanh trung ((phap dung) or (phan dung)) dong thanh hoa cao*.