Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, mot chieu
hoc tieng » hoc hien
tieng tan » tieng han, tieng tap, tieng thai
tan thanh » tran thanh, tang thanh, toan thanh
thanh hai » thanh phan, thanh hoa, thanh san
trung ha » trung hoc, trung tam, trung cap
ha hoc » hoa hoc, nha hoc, va hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu xanh - thanh trung ha hoc tieng tan thanh hai~.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh trung ha hoc tieng tan thanh hai*.