Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu
van nhung » van nhuong, va nhung, van hung
ho chieu » theo chieu, doi chieu, mot chieu
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap

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

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