Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
tam thong » tam thuong, tao thong, nam thong
thong van » trong van, thong va, thong quan
chan cac » phan cac, nhan cach, thanh cac
chon cac » cho cac, thong cac, hoc cac

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) OR (chieu xanh)) - thanh trung tam thong thong van ((chan cac) or (chon cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - thanh trung tam thong thong van ((chan cac) OR (chon cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu xanh)) - thanh trung tam thong thong van ((chan cac) or (chon cac))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (chieu xanh)) - thanh trung tam thong thong van ((chan cac) or (chon cac))*.