Perhaps you should try some spelling variations:
tuan khong » toan khong, tuan phong, thuan phong
khong tang » khong cang, khong thanh, khong trong
manh tran » manh toan, manh tuan, canh tranh
tran tuan » tran xuan, tran quang, tran thanh
tang luan » dung luan
luan phan » luan van, luan hoan
ho cua » hoc cua, hoi cua, hoa cua
so cuu » so huu, ho cuu, so cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho cua) or (so cuu)) tinh - manh tran tuan khong tang luan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho cua) OR (so cuu)) tinh - manh tran tuan khong tang luan phan tu*.