Perhaps you should try some spelling variations:
thanh thanh » nhanh thanh, thanh toan, thanh phan
hoan chinh » hanh chinh, hoa hinh
phung cong » nhung cong, nhung chong, dung cong
phong cong » phong chong, thong cong, chong cong
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
thanh lap » thanh san, phan lap, thanh hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoan chinh sach - thanh ((trung cua) OR (trung cap)) ((phung cong) or (phong cong)) thanh thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoan chinh sach - thanh ((trung cua) OR (trung cap)) ((phung cong) OR (phong cong)) thanh thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoan chinh sach - thanh ((trung cua) OR (trung cap)) ((phung cong) or (phong cong)) thanh thanh lap".
• Adding a wildcard symbol may retrieve word variants: hoan chinh sach - thanh ((trung cua) OR (trung cap)) ((phung cong) or (phong cong)) thanh thanh lap*.