Perhaps you should try some spelling variations:
truong cao » truong dai
nhung dung » phuong dung, ung dung, thong dung
bang thanh » ban thanh, dang thanh, tang thanh
hien xanh » hien nhanh, chieu xanh, hien khanh
hien hanh » dieu hanh
trung cap » trung tam
dung bang » dong bang, dung dang, dung nang
thanh mau » hanh mau, thanh san, thanh hai

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 xanh) or (hien hanh)) - thanh ((trung cap) or (truong cao)) nhung dung bang thanh mau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (hien hanh)) - thanh ((trung cap) OR (truong cao)) nhung dung bang thanh mau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (hien hanh)) - thanh ((trung cap) or (truong cao)) nhung dung bang thanh mau*.