Perhaps you should try some spelling variations:
cong tuan » cong tan, cong luan, cong thanh
tuan hang » tuan hoang, tuan bang, tuan dang
hang cong » dang cong, hang nong, bang cong
vang khan » dang khanh, van khanh, van khang
van phong » van dong, hai phong
chi sach » chinh sach, chieu sach, co sach
van phan » van thanh, luan phan, van ban
doi chi » doi khi

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh cong tuan hang cong ((vang khan) OR (((van phan) OR (van phong)))) cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi sach - thanh cong tuan hang cong ((vang khan) or (((van phan) OR (van phong)))) cap~".
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh cong tuan hang cong ((vang khan) or (((van phan) OR (van phong)))) cap*.