Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
cuu nhung » cua nhung, cuu phuong, chua nhung
hoang van » hang va
dinh cuu » dinh chi
tang van » dang van, trong van, tang luan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh dinh cuu nhung cong ((tang van) OR (hoang van)) dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - hanh dinh cuu nhung cong ((tang van) OR (hoang van)) dau*".