Perhaps you should try some spelling variations:
thanh tung » thanh cong
tuan thong » toan thong, tran thong, tuan phong
thong cong » trong cong, tong cong, thong thong
tung tuan » trung tuan, hung tuan, quang tuan
dang van » hoang van, hang va
tran van » luan van
nho may » nha may, cho may, tho may

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

• Performing a fuzzy search may retrieve terms with similar spellings: nho may tinh - thanh tung tuan thong cong ((dang van) or (tran van)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nho may tinh - thanh tung tuan thong cong ((dang van) OR (tran van)) ban*.