Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
trung tuan » trung thanh, trung tam, tran tuan
dung duong » dung dong, dung dung, dung luong
dong duong » tuong duong, cuong duong, dong thong
hoc thieu » toc thieu, hoc hien
tuan ban » tuan bang, toan ban, quang ban
luan ban » luan van, luan san, luan han

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - thanh trung tuan ((dung duong) or (dong duong)) van ((tuan ban) OR (luan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung tuan ((dung duong) OR (dong duong)) van ((tuan ban) OR (luan ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh trung tuan ((dung duong) or (dong duong)) van ((tuan ban) OR (luan ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung tuan ((dung duong) or (dong duong)) van ((tuan ban) OR (luan ban))*.