Perhaps you should try some spelling variations:
thanh trung » thanh tung
khong canh » khong cang, khong hanh, phong canh
trung cap » truong cao, trung tam
cap khong » cat khong, chap phong, va khong
hoc dieu » hoc thieu, hoc hien
canh dan » canh van, sanh dan, thanh dan
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc dieu hanh - thanh trung cap khong canh dan khan cap~.
• Adding a wildcard symbol may retrieve word variants: hoc dieu hanh - thanh trung cap khong canh dan khan cap*.