Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhieu tang » chieu sang, nhiet nang
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, hieu van
tong cong » trong cong, cong cong, dung cong
trung va » truong va, trang va, trung ha
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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 va ((nhung cong) or (tong cong)) tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((nhieu tang) OR (hieu lang)) - thanh trung va ((nhung cong) OR (tong cong)) tan toan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((nhieu tang) or (hieu lang)) - thanh trung va ((nhung cong) or (tong cong)) tan toan ban*.