Perhaps you should try some spelling variations:
thanh trung » thanh tung
dung duong » dung dong, dong duong, dung dung
duong thuy » duong thu, duong thi, duong huu
thuy toan » huy toan, thuy than, thuat toan
chi xanh » chi anh, chi danh, chi hanh
trung ha » trung hoc, trung tam, trung cap
toan tap » toan ban
doi chi » doi khi
ha dung » hai dung, hat dung, kha dung

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 xanh - thanh trung ha dung duong thuy toan tap~.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh trung ha dung duong thuy toan tap*.