Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
hang hang » nang hang, cang thang, hung thang
cua khong » hua khong, cua phuong, cua thuong
30 trieu » 25 trieu
hang cua » mang cua, hang ca, huong cua
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan cac, phan tu
can cau » van cau, ca cau, cac cau
ban cau » bang cau, ban can, van cau

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 - hang hang cua khong cong dan ((((can cau) or (ban cau))) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: 30 trieu tinh - hang hang cua khong cong dan ((((can cau) OR (ban cau))) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: 30 trieu tinh - hang hang cua khong cong dan ((((can cau) or (ban cau))) or (phan cau))*.