Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung thai » trong thai, trung hai, trang thai
thai nhung » thi nhung, tham nhung, thai vung
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
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: ho chieu xanh - thanh trung thai nhung cong ((dan than) OR (dan chan)) cao~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh trung thai nhung cong ((dan than) or (dan chan)) cao*.