Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
nhan dang » nhan dan, phan dang, tran dang
dung cong » dung trong
van phong » van dong, hai phong
dang cua » dung cua, dong cua, mang cua
cua dung » cua dang, cua dong, qua dung
luan » quan, lan

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 - nhan dang cua dung cong ((van phong) or (luan van)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - nhan dang cua dung cong ((van phong) OR (luan van)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - nhan dang cua dung cong ((van phong) or (luan van)) cau*.