Perhaps you should try some spelling variations:
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
cap thong » cap tong, chap thuong, phap thong
thanh lap » thanh san, phan lap, thanh hai
chi sach » chinh sach, chieu sach, co sach
tung cap » trung cap, cung cap, thong cap
cong dan » cong san, cong tan, huong dan
toan ban » van ban
than cap » khan cap, thanh cac, than cua
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi sach - thanh tung cap thong cong dan ((toan ban) or (((than cap) or (thanh lap))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh tung cap thong cong dan ((toan ban) OR (((than cap) OR (thanh lap)))).
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh tung cap thong cong dan ((toan ban) or (((than cap) or (thanh lap))))*.