Perhaps you should try some spelling variations:
thanh tung » thanh cong
tung thanh » trung thanh, tang thanh, dung thanh
hieu lang » chieu sang, hieu quang, nhieu tang
quan dang » quang dang, quan lang, quan dong
gian lang » gian dan
van thanh » ban thanh, van tuan
thanh cao » thanh ca, thanh cac, thanh thao
doc hieu » toc thieu, hoc thieu, hoc hien

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu lang - thanh tung thanh ((quan dang) or (gian lang)) van thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu lang - thanh tung thanh ((quan dang) OR (gian lang)) van thanh cao.
• Adding a wildcard symbol may retrieve word variants: doc hieu lang - thanh tung thanh ((quan dang) or (gian lang)) van thanh cao*.