Perhaps you should try some spelling variations:
truong cua » truong ca, truong quan, truong cao
dien sach » dien anh
trung cua » trung tuan, trung cap, dung cua
doc dien » duoc dien, doi dien, do dien
cong van » cong vang, song van, cong tan
cong san » cong tac
tuan ban » tuan bang, toan ban, luan ban

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