Perhaps you should try some spelling variations:
chau tinh » cuu tinh, ha tinh, cua tinh
minh tuan » anh tuan
cua dung » cua dang, cua dong, qua dung
cong can » cong san, cong tan, cong cau
cong dan » cong san, cong tan, huong dan
chan ban » can ban, chat ban, chan nan
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 - ((minh tuan) or (canh tranh)) cua dung ((cong can) OR (cong dan)) chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chau tinh - ((minh tuan) OR (canh tranh)) cua dung ((cong can) OR (cong dan)) chan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chau tinh - ((minh tuan) or (canh tranh)) cua dung ((cong can) OR (cong dan)) chan ban".
• Adding a wildcard symbol may retrieve word variants: ho chau tinh - ((minh tuan) or (canh tranh)) cua dung ((cong can) OR (cong dan)) chan ban*.