Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
dang cong » dung cong
cua tinh » cua sinh, va tinh, ha tinh
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, huong dan
phan cac » nhan cach, phan dau, phan van
phan lap » phan dau
va sinh » va kinh, va tinh, vi sinh

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 tinh) or (va sinh)) - canh tranh cua dang cong dan ((phan cac) OR (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: a ((cua tinh) OR (va sinh)) - canh tranh cua dang cong dan ((phan cac) OR (phan lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "a ((cua tinh) or (va sinh)) - canh tranh cua dang cong dan ((phan cac) OR (phan lap))".
• Adding a wildcard symbol may retrieve word variants: a ((cua tinh) or (va sinh)) - canh tranh cua dang cong dan ((phan cac) OR (phan lap))*.