Perhaps you should try some spelling variations:
thinh luan » trinh luan, chinh luan, trinh luat
phong cong » phong chong, thong cong, chong cong
hoc chieu » hoc thieu, ho chieu, hoc hien
van phong » van dong, hai phong
cong data » cong dan, dong dat, cong danh
data phan » dam phan, sat phan, vat phan

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 (toc thieu)) sang - thinh luan van phong cong data phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (toc thieu)) sang - thinh luan van phong cong data phan tu.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (toc thieu)) sang - thinh luan van phong cong data phan tu*.