Perhaps you should try some spelling variations:
khong cang » thong cong, hong bang, khong dung
khong cong » thong cong, chong cong, khong con
hanh manh » hanh mang, lanh manh, hoang manh
30 trieu » 25 trieu
manh cua » doanh cua, ban cua
tac trai » tam trai, khac trai, rac thai
trai cao » tai cao, thai cao, trai chan

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 tinh - hanh manh cua ((khong cong) or (khong cang)) tac trai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - hanh manh cua ((khong cong) OR (khong cang)) tac trai cao.
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - hanh manh cua ((khong cong) or (khong cang)) tac trai cao*.