Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
tong cong » trong cong, cong cong, dung cong
thanh hoa » thanh pho
chao chu » cho chu, cua chu, chao xu
cao cho » cap cho, cao chat
va tong » va thong, va tuong, va trong
hoa tap » khoa tap, hoc tap, hoa tan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((chao chu) OR (cao cho)) tinh - ((hanh chinh) or (canh tranh)) va tong cong thanh hoa tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((chao chu) OR (cao cho)) tinh - ((hanh chinh) OR (canh tranh)) va tong cong thanh hoa tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((chao chu) OR (cao cho)) tinh - ((hanh chinh) or (canh tranh)) va tong cong thanh hoa tap".
• Adding a wildcard symbol may retrieve word variants: ((chao chu) OR (cao cho)) tinh - ((hanh chinh) or (canh tranh)) va tong cong thanh hoa tap*.