Perhaps you should try some spelling variations:
thanh tung » thanh cong
tuan thong » toan thong, tran thong, tuan phong
tran trong » gian trong, quan trong, tran hong
cong quang » luong quang, thong quang, duong quang
hieu lang » chieu sang, hieu quang, nhieu tang
cong lang » cong vang, cong luong, cong ngang
than cap » khan cap, thanh lap, thanh cac
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - thanh tung ((tuan thong) or (tran trong)) ((cong quang) or (cong lang)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh tung ((tuan thong) OR (tran trong)) ((cong quang) OR (cong lang)) than cap.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh tung ((tuan thong) or (tran trong)) ((cong quang) or (cong lang)) than cap*.