Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sang » thieu khang, thieu quang, hieu lang
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, trung tam, tran tuan
tuan thong » toan thong, tran thong, tuan phong
thong van » trong van, thong va, thong quan
van chan » van chat, dan chan, van phan
chan cac » phan cac, chon cac, nhan cach

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) OR (chieu sang)) - thanh trung tuan thong thong van chan cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu sang) OR (chieu sang)) - thanh trung tuan thong thong van chan cac".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sang) OR (chieu sang)) - thanh trung tuan thong thong van chan cac*.