Perhaps you should try some spelling variations:
thanh trung » thanh tung
khong canh » khong cang, khong hanh, phong canh
tam khong » ta khong, tao khong, tam thuong
hoc dieu » hoc thieu, hoc hien
canh dan » canh van, sanh dan, thanh dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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 tam khong canh dan chan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc dieu hanh - thanh trung tam khong canh dan chan cau*.