Perhaps you should try some spelling variations:
tranh cua » doanh cua, manh cua
thanh cao » thanh ca, thanh cac, thanh thao
chu tinh » chau tinh, chua tinh, cuu tinh
cua dung » cua dang, cua dong, qua dung
cong van » cong vang, song van, cong tan
cong san » cong tac
ho chu » hoi chu, cho chu, ho chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chu tinh - canh tranh cua dung ((cong van) or (cong san)) thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chu tinh - canh tranh cua dung ((cong van) OR (cong san)) thanh cao.
• Adding a wildcard symbol may retrieve word variants: ho chu tinh - canh tranh cua dung ((cong van) or (cong san)) thanh cao*.