Perhaps you should try some spelling variations:
thanh trung » thanh tung
khong cong » khong cang, chong cong, khong con
thong cong » trong cong, tong cong, thong thong
trung cua » truong cua, trung tuan, trung cap
dan khanh » dang khanh, van khanh, dat khanh
khanh cap » hanh cap, khan cap, hanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((30 trieu) or (25 trieu)) tinh - thanh trung cua ((khong cong) OR (thong cong)) dan khanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((30 trieu) OR (25 trieu)) tinh - thanh trung cua ((khong cong) OR (thong cong)) dan khanh cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((30 trieu) or (25 trieu)) tinh - thanh trung cua ((khong cong) OR (thong cong)) dan khanh cap".
• Adding a wildcard symbol may retrieve word variants: ((30 trieu) or (25 trieu)) tinh - thanh trung cua ((khong cong) OR (thong cong)) dan khanh cap*.