Perhaps you should try some spelling variations:
thanh trung » thanh tung
hieu nganh » vien nganh, hiem ngan, hieu manh
trung tuan » trung thanh, trung tam, tran tuan
tuan khong » toan khong, tuan phong, thuan phong
hoc hieu » hoc thieu, hoc hien, doc hieu
cang dan » cong dan, canh dan, dang dan
tang dan » tang van, tung dan, tang luan
than cap » khan cap, thanh lap, thanh cac
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu nganh - thanh trung tuan khong ((cang dan) or (tang dan)) ((than cap) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu nganh - thanh trung tuan khong ((cang dan) OR (tang dan)) ((than cap) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: hoc hieu nganh - thanh trung tuan khong ((cang dan) or (tang dan)) ((than cap) or (phan cac))*.