Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tieu lang » hieu lang, tieu dung, tiem nang
tien lang » tien long, ten lang, tien luong
hanh luan » khanh luan, hang luan, hanh luat
van thong » van thuong, van phong, va thong
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((tieu lang) or (tien lang)) - hanh luan van thong cong tap toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((tieu lang) OR (tien lang)) - hanh luan van thong cong tap toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((tieu lang) or (tien lang)) - hanh luan van thong cong tap toan ban*.