Perhaps you should try some spelling variations:
trung thanh » truong thanh
thanh thong » thanh thuong, thanh hong, thanh thang
hinh trung » sinh trung, dinh trung, kinh trung
dung nang » dun nang, dung dang, dung quang
dong yang » dong bang, dong nang, dong quang
chi danh » chi dan, chi anh, chi dinh
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi danh - hinh trung thanh thong ((dung nang) or (dong yang)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi danh - hinh trung thanh thong ((dung nang) OR (dong yang)) phan tu.
• Adding a wildcard symbol may retrieve word variants: doi chi danh - hinh trung thanh thong ((dung nang) or (dong yang)) phan tu*.