Perhaps you should try some spelling variations:
thanh trung » thanh tung
thiet nang » nhiet nang, thien nang, thi nang
trung tuan » trung thanh, trung tam, tran tuan
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tuan tong » toan tong, thuan trong, toan thong
tong dung » thong dung, trong dung, cong dung
dung danh » dung doanh, dung dan, cuong danh
danh van » doanh van, dang van, dinh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet nang - thanh trung tuan tong dung danh van ban~.
• Adding a wildcard symbol may retrieve word variants: hoc thiet nang - thanh trung tuan tong dung danh van ban*.