Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
chau tinh » cuu tinh, ha tinh, cua tinh
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
chan cau » can cau, chinh cau, nhanh cau
phan cau » phan dau, phan cac, phan tu
ho chau » ha chau, ho chu, o chau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chau tinh - canh tranh va nhung cong dan ((chan cau) OR (phan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chau tinh - canh tranh va nhung cong dan ((chan cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - canh tranh va nhung cong dan ((chan cau) OR (phan cau))*.