Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, trung tam, tran tuan
ho chieu » theo chieu, hoc thieu, doi chieu
tuan han » tuan hoan, luan han, tran han
han tung » hanh tung, han tong, han ung
tung dan » dung dan, huong dan, trung dai
toan cao » toan ban, toan tap

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 tuan han tung dan ((toan cao) OR (van ban))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh trung tuan han tung dan ((toan cao) OR (van ban))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung tuan han tung dan ((toan cao) OR (van ban))*.