Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
dong cong » duong cong, dung cong, dang cong
cua sinh » hoa sinh, va sinh
cua dong » chua dong, cua cong, cua dang
cong dan » cong san, cong tan, huong dan
phan cac » phan dau, phan lap, phan van
a cua » ca cua, ma cua, a chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: a cua sinh - canh tranh cua dong cong dan ((phan cac) OR (nhan cach))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "a cua sinh - canh tranh cua dong cong dan ((phan cac) OR (nhan cach))".
• Adding a wildcard symbol may retrieve word variants: a cua sinh - canh tranh cua dong cong dan ((phan cac) OR (nhan cach))*.