Perhaps you should try some spelling variations:
thanh luan » tranh luan, thanh xuan, thanh tuan
thong cong » trong cong, tong cong, thong thong
van thong » van thuong, van phong, va thong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
ha tinh » va tinh

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

• Performing a fuzzy search may retrieve terms with similar spellings: o ((ha tinh) OR (may tinh)) - thanh luan van thong cong dan than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "o ((ha tinh) OR (may tinh)) - thanh luan van thong cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: o ((ha tinh) OR (may tinh)) - thanh luan van thong cong dan than cau*.