Perhaps you should try some spelling variations:
thinh luan » trinh luan, chinh luan, trinh luat
thong cong » trong cong, tong cong, thong thong
van thong » van thuong, van phong, va thong
cong data » cong dan, dong dat, cong danh
data phan » dam phan, sat phan, vat phan
ho chieu » theo chieu, hoc thieu, mot chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (toc thieu)) sang - thinh luan van thong cong data phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (toc thieu)) sang - thinh luan van thong cong data phan tu.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (toc thieu)) sang - thinh luan van thong cong data phan tu*.