Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, tran tuan, truong thanh
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
cong van » cong vang, cong san, song van
van tang » van thang, van trang, van nang
tang ban » tang bang, tiang ban, tang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - hanh ((trung tuan) OR (trung tam)) thong cong van tang ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - hanh ((trung tuan) OR (trung tam)) thong cong van tang ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((trung tuan) OR (trung tam)) thong cong van tang ban*.