Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu manh » chieu xanh, hieu nganh, dieu hanh
hien hanh » dieu hanh
hieu lang » chieu sang, hieu quang, nhieu tang
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
tam dung » tam duong, tac dung, tan dung
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((hieu manh) or (hien hanh))) or (hieu lang)) - thanh trung tam dung cong manh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu manh) OR (hien hanh))) OR (hieu lang)) - thanh trung tam dung cong manh toan tap.
• Adding a wildcard symbol may retrieve word variants: ho ((((hieu manh) or (hien hanh))) or (hieu lang)) - thanh trung tam dung cong manh toan tap*.