Perhaps you should try some spelling variations:
thanh chuong » thanh huong, thanh cong, nhanh chong
thanh truong » thanh trung, thanh thuong, thanh tung
dien sach » dien anh
doc dien » duoc dien, doi dien, do dien
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
toan cau » toan cao, toan ban, toan tap

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 truong) or (thanh chuong)) va nhung ((cong dan) OR (cong san)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc dien sach - ((thanh truong) OR (thanh chuong)) va nhung ((cong dan) OR (cong san)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc dien sach - ((thanh truong) or (thanh chuong)) va nhung ((cong dan) OR (cong san)) toan cau".
• Adding a wildcard symbol may retrieve word variants: doc dien sach - ((thanh truong) or (thanh chuong)) va nhung ((cong dan) OR (cong san)) toan cau*.