Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
thanh trung » thanh tung
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
trung cap » truong cao, trung tam
cap khong » cat khong, chap phong, va khong
thong tan » thong than, thong tran, thong tin
tan phan » toan phan, than phan, van phan

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 xanh) or (((chieu sang) or (hieu lang)))) - thanh trung cap khong thong tan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (((chieu sang) OR (hieu lang)))) - thanh trung cap khong thong tan phan tu.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (((chieu sang) or (hieu lang)))) - thanh trung cap khong thong tan phan tu*.