Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong ngang » cong nhan, cong quang, cong lang
hien hanh » dieu hanh
bang cong » dang cong, bang song, hang cong
ngang tan » nganh toan, nang tai, nang tao
dien anh » tieng anh, dien dan
trung ha » trung hoc, trung tam, trung cap
ha bang » hai bang, ha tang, va bang
tan cao » toan cao, tao cao, tay cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((dien anh) or (hien hanh)) - thanh trung ha bang cong ngang tan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((dien anh) OR (hien hanh)) - thanh trung ha bang cong ngang tan cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((dien anh) or (hien hanh)) - thanh trung ha bang cong ngang tan cao*.