Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
thong duong » tuong duong, thong dung, thong huong
hien khanh » hien hanh, dien khanh, thien thanh
hien nhanh » hien hanh, thien thanh, tien thanh
duong dan » duong dang, huong dan, duong van
thang he » tang he, thang nghe, thang nho
dan toan » van toan, dan than, manh toan
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: hoc ((hien khanh) or (hien nhanh)) - thanh thang he thong duong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien khanh) OR (hien nhanh)) - thanh thang he thong duong dan toan cao*.