Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
duong thanh » dong thanh, muong thanh, luong thanh
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
thanh hoa » thanh pho
tran van » luan van
hoa tap » khoa tap, hoc tap, hoa tan

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 - hanh ((hang va) or (tran van)) nhung duong thanh hoa tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh ((hang va) OR (tran van)) nhung duong thanh hoa tap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((hang va) or (tran van)) nhung duong thanh hoa tap*.