Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
tuan trong » thuan trong, quan trong, tran trong
hiem ngan » kim ngan, viem gan
tran tuan » tran xuan, tran quang, tran thanh
hoc hiem » hoc hien, hoc thieu, hoc thiet
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hiem ngan - thanh tran tuan trong cong ((dan than) OR (dan chan)) cau~.
• Adding a wildcard symbol may retrieve word variants: hoc hiem ngan - thanh tran tuan trong cong ((dan than) or (dan chan)) cau*.