Perhaps you should try some spelling variations:
thanh trung » thanh tung
thong huong » thong thuong, thong duong, thong thong
hien hanh » dieu hanh
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
dan than » dan chan, van than, dan toan
ban than » ban thanh, van thanh, ban hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - thanh trung cua thong huong ((dan than) or (ban than)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - thanh trung cua thong huong ((dan than) OR (ban than)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien hanh - thanh trung cua thong huong ((dan than) or (ban than)) ban*.