Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung thanh » truong thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
thanh ung » thanh tung, thanh hung, thanh dung
hoc hieu » hoc thieu, hoc hien, doc hieu
dung anh » dung danh, duong anh, dong anh
tuan ban » tuan bang, toan ban, quang ban
luan ban » luan van, luan han, luat ban
luan san » luan van, luan hoan, luan phan

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 manh - thanh trung thanh ung dung anh ((tuan ban) or (((luan ban) OR (luan san))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - thanh trung thanh ung dung anh ((tuan ban) OR (((luan ban) OR (luan san)))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hieu manh - thanh trung thanh ung dung anh ((tuan ban) or (((luan ban) OR (luan san))))".
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - thanh trung thanh ung dung anh ((tuan ban) or (((luan ban) OR (luan san))))*.