Perhaps you should try some spelling variations:
khong cong » thong cong, khong cang, chong cong
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
cong dan » cong san, cong tan, huong dan
phan cac » nhan cach, phan dau, phan lap
hang dau » hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - canh tranh cua khong cong dan ((phan cac) or (((hang dau) or (hang va))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh tranh cua khong cong dan ((phan cac) OR (((hang dau) OR (hang va)))).
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - canh tranh cua khong cong dan ((phan cac) or (((hang dau) or (hang va))))*.