Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
tuong khoa » luong khoa, duong khoa, dung khoa
hieu lang » chieu sang, hieu quang, nhieu tang
khoa dung » hoc dung, khoa cong
dung cong » dung trong
doi hieu » doi chieu, doc hieu, doi hien
cong ban » cong bang, cong san, cong tan
ban hang » ngan hang
hang cau » hang dau, hang ca, nhung cau

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 - thanh tuong khoa dung cong ban hang cau~.
• Adding a wildcard symbol may retrieve word variants: doi hieu lang - thanh tuong khoa dung cong ban hang cau*.