Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
hanh dung » thanh dung, anh dung, hanh dong
luan hung » luan chung, lan hung, luan ung
tuong dan » huong dan, tung dan, truong dai
xuong dan » huong dan, xuong san, nguong dan
doi hieu » doi chieu, doc hieu, doi hien
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi hieu lang - hanh dung luan hung ((tuong dan) or (xuong dan)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi hieu lang - hanh dung luan hung ((tuong dan) OR (xuong dan)) toan cao.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - hanh dung luan hung ((tuong dan) or (xuong dan)) toan cao*.