Perhaps you should try some spelling variations:
thanh tung » thanh cong
cua thong » cua thuong, suat thong, cua truong
cua khong » hua khong, cua phuong, cua thuong
thong ban » thong van, trong ban, thong bai
chi sach » chinh sach, chieu sach, co sach
cua tong » cua cong, cua dong, cua nong
ban phan » ban phap, van phan, ban than
phan cac » nhan cach, phan dau, phan lap
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 ((((cua thong) OR (cua khong))) or (cua tong)) thong ban phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi sach - thanh tung ((((cua thong) OR (cua khong))) OR (cua tong)) thong ban phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi sach - thanh tung ((((cua thong) OR (cua khong))) or (cua tong)) thong ban phan cac".
• Adding a wildcard symbol may retrieve word variants: doi chi sach - thanh tung ((((cua thong) OR (cua khong))) or (cua tong)) thong ban phan cac*.