Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhieu tang » chieu sang, nhiet nang
thong cong » trong cong, thong thong, phong chong
hieu lang » chieu sang, hieu quang, hieu van
tong cong » trong cong, cong cong, dung cong
trung ha » trung hoc, trung tam, trung cap
dan phan » doan phan, dan chan, van phan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((nhieu tang) or (hieu lang)) - thanh trung ha ((thong cong) or (tong cong)) dan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((nhieu tang) OR (hieu lang)) - thanh trung ha ((thong cong) OR (tong cong)) dan phan dau.
• Adding a wildcard symbol may retrieve word variants: ho ((nhieu tang) or (hieu lang)) - thanh trung ha ((thong cong) or (tong cong)) dan phan dau*.