Perhaps you should try some spelling variations:
thanh tung » thanh cong
dien sach » dien anh
doc dien » duoc dien, doi dien, do dien
van dung » van dong, xay dung, tin dung
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan
phan cau » phan dau, phan cac, phan tu
va dung » va duong, vat dung, va ung

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc dien sach - thanh tung ((va dung) OR (van dung)) cong van phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc dien sach - thanh tung ((va dung) OR (van dung)) cong van phan cau".
• Adding a wildcard symbol may retrieve word variants: doc dien sach - thanh tung ((va dung) OR (van dung)) cong van phan cau*.