Perhaps you should try some spelling variations:
nhung cong » dung cong, hang cong, nhung don
thong cong » trong cong, tong cong, thong thong
danh thanh » dinh thanh, dang thanh, nhanh thanh
hoc chieu » hoc thieu, hoc hien, hoc dieu
hanh luan » khanh luan, hang luan, hanh luat
thanh cau » thanh chau, thanh mau, nhanh cau
ho chieu » theo chieu, hoc thieu, doi chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (ho chieu)) tinh - hanh luan van ((nhung cong) or (thong cong)) danh thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) tinh - hanh luan van ((nhung cong) OR (thong cong)) danh thanh cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (ho chieu)) tinh - hanh luan van ((nhung cong) or (thong cong)) danh thanh cau*.