Perhaps you should try some spelling variations:
thanh tong » thanh cong, thanh tung, thanh long
tong luan » tang luan, dung luan, hang luan
thong van » trong van, thong va, thong quan
thang mat » trang mat, phong mat, thang tam
thanh dat » thanh san, thanh hai, thanh van
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
tong van » trong van, tang van, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chu xanh - thanh tong luan van ((tong van) OR (thong van)) ((thang mat) or (thanh dat))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - thanh tong luan van ((tong van) OR (thong van)) ((thang mat) OR (thanh dat))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - thanh tong luan van ((tong van) OR (thong van)) ((thang mat) or (thanh dat))*".